Home / 22,785.57-31,444.11-13,354.13

Finding the Fourth Proportional to 22,785.57, 31,444.11 and 13,354.13

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Solution

The fourth proportional to 22,785.57, 31,444.11 and 13,354.13 is: 18,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.57 : 31,444.11 = 13,354.13 : x
  2. Step 2: Convert to fraction form
    22,785.57/31,444.11 = 13,354.13/x
  3. Step 3: Cross multiply
    22,785.57x = 31,444.11 × 13,354.13
  4. Step 4: Simplify right side
    22,785.57x = 419,908,575.45
  5. Step 5: Solve for x
    x = 419,908,575.45/22,785.57
  6. Step 6: Final answer
    x = 18,428.71

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Find fourth proportional to 22,786.57, 31,445.49 and 13,355.13
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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.