Home / 27,390.11-41,086.61-8,672.12

Finding the Fourth Proportional to 27,390.11, 41,086.61 and 8,672.12

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Solution

The fourth proportional to 27,390.11, 41,086.61 and 8,672.12 is: 13,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.11 : 41,086.61 = 8,672.12 : x
  2. Step 2: Convert to fraction form
    27,390.11/41,086.61 = 8,672.12/x
  3. Step 3: Cross multiply
    27,390.11x = 41,086.61 × 8,672.12
  4. Step 4: Simplify right side
    27,390.11x = 356,307,763.52
  5. Step 5: Solve for x
    x = 356,307,763.52/27,390.11
  6. Step 6: Final answer
    x = 13,008.63

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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.