Home / 27,132.78-40,650.57-9,591.42

Finding the Fourth Proportional to 27,132.78, 40,650.57 and 9,591.42

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Solution

The fourth proportional to 27,132.78, 40,650.57 and 9,591.42 is: 14,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.78 : 40,650.57 = 9,591.42 : x
  2. Step 2: Convert to fraction form
    27,132.78/40,650.57 = 9,591.42/x
  3. Step 3: Cross multiply
    27,132.78x = 40,650.57 × 9,591.42
  4. Step 4: Simplify right side
    27,132.78x = 389,896,690.11
  5. Step 5: Solve for x
    x = 389,896,690.11/27,132.78
  6. Step 6: Final answer
    x = 14,369.95

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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.