Home / 27,132.54-40,691.32-7,411.88

Finding the Fourth Proportional to 27,132.54, 40,691.32 and 7,411.88

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Solution

The fourth proportional to 27,132.54, 40,691.32 and 7,411.88 is: 11,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.54 : 40,691.32 = 7,411.88 : x
  2. Step 2: Convert to fraction form
    27,132.54/40,691.32 = 7,411.88/x
  3. Step 3: Cross multiply
    27,132.54x = 40,691.32 × 7,411.88
  4. Step 4: Simplify right side
    27,132.54x = 301,599,180.88
  5. Step 5: Solve for x
    x = 301,599,180.88/27,132.54
  6. Step 6: Final answer
    x = 11,115.77

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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.