Home / 26,663.89-36,791.94-15,331.18

Finding the Fourth Proportional to 26,663.89, 36,791.94 and 15,331.18

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Solution

The fourth proportional to 26,663.89, 36,791.94 and 15,331.18 is: 21,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.89 : 36,791.94 = 15,331.18 : x
  2. Step 2: Convert to fraction form
    26,663.89/36,791.94 = 15,331.18/x
  3. Step 3: Cross multiply
    26,663.89x = 36,791.94 × 15,331.18
  4. Step 4: Simplify right side
    26,663.89x = 564,063,854.69
  5. Step 5: Solve for x
    x = 564,063,854.69/26,663.89
  6. Step 6: Final answer
    x = 21,154.60

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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.