Home / 27,918.38-41,861.17-11,278.94

Finding the Fourth Proportional to 27,918.38, 41,861.17 and 11,278.94

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Solution

The fourth proportional to 27,918.38, 41,861.17 and 11,278.94 is: 16,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.38 : 41,861.17 = 11,278.94 : x
  2. Step 2: Convert to fraction form
    27,918.38/41,861.17 = 11,278.94/x
  3. Step 3: Cross multiply
    27,918.38x = 41,861.17 × 11,278.94
  4. Step 4: Simplify right side
    27,918.38x = 472,149,624.76
  5. Step 5: Solve for x
    x = 472,149,624.76/27,918.38
  6. Step 6: Final answer
    x = 16,911.78

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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.