Home / 22,943.19-31,672.73-15,386.76

Finding the Fourth Proportional to 22,943.19, 31,672.73 and 15,386.76

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Solution

The fourth proportional to 22,943.19, 31,672.73 and 15,386.76 is: 21,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,943.19 : 31,672.73 = 15,386.76 : x
  2. Step 2: Convert to fraction form
    22,943.19/31,672.73 = 15,386.76/x
  3. Step 3: Cross multiply
    22,943.19x = 31,672.73 × 15,386.76
  4. Step 4: Simplify right side
    22,943.19x = 487,340,618.12
  5. Step 5: Solve for x
    x = 487,340,618.12/22,943.19
  6. Step 6: Final answer
    x = 21,241.19

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Find fourth proportional to 11,471.60, 15,836.36 and 7,693.38
Half scale
Find fourth proportional to 45,886.38, 63,345.45 and 30,773.52
Double scale
Find fourth proportional to 22,944.19, 31,674.11 and 15,387.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.