Home / 27,399.20-41,104.94-8,679.15

Finding the Fourth Proportional to 27,399.20, 41,104.94 and 8,679.15

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Solution

The fourth proportional to 27,399.20, 41,104.94 and 8,679.15 is: 13,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.20 : 41,104.94 = 8,679.15 : x
  2. Step 2: Convert to fraction form
    27,399.20/41,104.94 = 8,679.15/x
  3. Step 3: Cross multiply
    27,399.20x = 41,104.94 × 8,679.15
  4. Step 4: Simplify right side
    27,399.20x = 356,755,896.61
  5. Step 5: Solve for x
    x = 356,755,896.61/27,399.20
  6. Step 6: Final answer
    x = 13,020.67

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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.