Home / 27,399.80-41,105.86-8,680.96

Finding the Fourth Proportional to 27,399.80, 41,105.86 and 8,680.96

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Solution

The fourth proportional to 27,399.80, 41,105.86 and 8,680.96 is: 13,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.80 : 41,105.86 = 8,680.96 : x
  2. Step 2: Convert to fraction form
    27,399.80/41,105.86 = 8,680.96/x
  3. Step 3: Cross multiply
    27,399.80x = 41,105.86 × 8,680.96
  4. Step 4: Simplify right side
    27,399.80x = 356,838,326.43
  5. Step 5: Solve for x
    x = 356,838,326.43/27,399.80
  6. Step 6: Final answer
    x = 13,023.39

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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.