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Finding the Fourth Proportional to 27,458.52, 41,187.78 and 9,927.96

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Solution

The fourth proportional to 27,458.52, 41,187.78 and 9,927.96 is: 14,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.52 : 41,187.78 = 9,927.96 : x
  2. Step 2: Convert to fraction form
    27,458.52/41,187.78 = 9,927.96/x
  3. Step 3: Cross multiply
    27,458.52x = 41,187.78 × 9,927.96
  4. Step 4: Simplify right side
    27,458.52x = 408,910,632.33
  5. Step 5: Solve for x
    x = 408,910,632.33/27,458.52
  6. Step 6: Final answer
    x = 14,891.94

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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.