Home / 27,124.91-40,691.21-8,406.53

Finding the Fourth Proportional to 27,124.91, 40,691.21 and 8,406.53

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Solution

The fourth proportional to 27,124.91, 40,691.21 and 8,406.53 is: 12,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.91 : 40,691.21 = 8,406.53 : x
  2. Step 2: Convert to fraction form
    27,124.91/40,691.21 = 8,406.53/x
  3. Step 3: Cross multiply
    27,124.91x = 40,691.21 × 8,406.53
  4. Step 4: Simplify right side
    27,124.91x = 342,071,632.11
  5. Step 5: Solve for x
    x = 342,071,632.11/27,124.91
  6. Step 6: Final answer
    x = 12,610.98

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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.