Home / 27,711.20-41,558.70-9,939.80

Finding the Fourth Proportional to 27,711.20, 41,558.70 and 9,939.80

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Solution

The fourth proportional to 27,711.20, 41,558.70 and 9,939.80 is: 14,906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.20 : 41,558.70 = 9,939.80 : x
  2. Step 2: Convert to fraction form
    27,711.20/41,558.70 = 9,939.80/x
  3. Step 3: Cross multiply
    27,711.20x = 41,558.70 × 9,939.80
  4. Step 4: Simplify right side
    27,711.20x = 413,085,166.26
  5. Step 5: Solve for x
    x = 413,085,166.26/27,711.20
  6. Step 6: Final answer
    x = 14,906.79

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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.