Home / 26,490.39-39,735.60-9,854.61

Finding the Fourth Proportional to 26,490.39, 39,735.60 and 9,854.61

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Solution

The fourth proportional to 26,490.39, 39,735.60 and 9,854.61 is: 14,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.39 : 39,735.60 = 9,854.61 : x
  2. Step 2: Convert to fraction form
    26,490.39/39,735.60 = 9,854.61/x
  3. Step 3: Cross multiply
    26,490.39x = 39,735.60 × 9,854.61
  4. Step 4: Simplify right side
    26,490.39x = 391,578,841.12
  5. Step 5: Solve for x
    x = 391,578,841.12/26,490.39
  6. Step 6: Final answer
    x = 14,781.92

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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.