Home / 26,398.29-39,591.87-15,729.38

Finding the Fourth Proportional to 26,398.29, 39,591.87 and 15,729.38

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Solution

The fourth proportional to 26,398.29, 39,591.87 and 15,729.38 is: 23,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.29 : 39,591.87 = 15,729.38 : x
  2. Step 2: Convert to fraction form
    26,398.29/39,591.87 = 15,729.38/x
  3. Step 3: Cross multiply
    26,398.29x = 39,591.87 × 15,729.38
  4. Step 4: Simplify right side
    26,398.29x = 622,755,568.14
  5. Step 5: Solve for x
    x = 622,755,568.14/26,398.29
  6. Step 6: Final answer
    x = 23,590.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.