Home / 27,691.62-41,542.92-10,161.60

Finding the Fourth Proportional to 27,691.62, 41,542.92 and 10,161.60

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Solution

The fourth proportional to 27,691.62, 41,542.92 and 10,161.60 is: 15,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.62 : 41,542.92 = 10,161.60 : x
  2. Step 2: Convert to fraction form
    27,691.62/41,542.92 = 10,161.60/x
  3. Step 3: Cross multiply
    27,691.62x = 41,542.92 × 10,161.60
  4. Step 4: Simplify right side
    27,691.62x = 422,142,535.87
  5. Step 5: Solve for x
    x = 422,142,535.87/27,691.62
  6. Step 6: Final answer
    x = 15,244.41

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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.