Home / 22,785.29-31,487.16-16,432.73

Finding the Fourth Proportional to 22,785.29, 31,487.16 and 16,432.73

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Solution

The fourth proportional to 22,785.29, 31,487.16 and 16,432.73 is: 22,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.29 : 31,487.16 = 16,432.73 : x
  2. Step 2: Convert to fraction form
    22,785.29/31,487.16 = 16,432.73/x
  3. Step 3: Cross multiply
    22,785.29x = 31,487.16 × 16,432.73
  4. Step 4: Simplify right side
    22,785.29x = 517,419,998.75
  5. Step 5: Solve for x
    x = 517,419,998.75/22,785.29
  6. Step 6: Final answer
    x = 22,708.51

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Double scale
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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.