Home / 31,415.68-43,353.66-17,268.76

Finding the Fourth Proportional to 31,415.68, 43,353.66 and 17,268.76

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Solution

The fourth proportional to 31,415.68, 43,353.66 and 17,268.76 is: 23,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.68 : 43,353.66 = 17,268.76 : x
  2. Step 2: Convert to fraction form
    31,415.68/43,353.66 = 17,268.76/x
  3. Step 3: Cross multiply
    31,415.68x = 43,353.66 × 17,268.76
  4. Step 4: Simplify right side
    31,415.68x = 748,663,949.66
  5. Step 5: Solve for x
    x = 748,663,949.66/31,415.68
  6. Step 6: Final answer
    x = 23,830.90

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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.