Home / 26,717.40-36,862.05-15,386.60

Finding the Fourth Proportional to 26,717.40, 36,862.05 and 15,386.60

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Solution

The fourth proportional to 26,717.40, 36,862.05 and 15,386.60 is: 21,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,717.40 : 36,862.05 = 15,386.60 : x
  2. Step 2: Convert to fraction form
    26,717.40/36,862.05 = 15,386.60/x
  3. Step 3: Cross multiply
    26,717.40x = 36,862.05 × 15,386.60
  4. Step 4: Simplify right side
    26,717.40x = 567,181,618.53
  5. Step 5: Solve for x
    x = 567,181,618.53/26,717.40
  6. Step 6: Final answer
    x = 21,228.92

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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.