Home / 26,371.49-39,561.80-11,581.90

Finding the Fourth Proportional to 26,371.49, 39,561.80 and 11,581.90

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Solution

The fourth proportional to 26,371.49, 39,561.80 and 11,581.90 is: 17,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,371.49 : 39,561.80 = 11,581.90 : x
  2. Step 2: Convert to fraction form
    26,371.49/39,561.80 = 11,581.90/x
  3. Step 3: Cross multiply
    26,371.49x = 39,561.80 × 11,581.90
  4. Step 4: Simplify right side
    26,371.49x = 458,200,654.61
  5. Step 5: Solve for x
    x = 458,200,654.61/26,371.49
  6. Step 6: Final answer
    x = 17,374.85

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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.