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Finding the Fourth Proportional to 27,854.52, 41,788.32 and 9,386.52

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Solution

The fourth proportional to 27,854.52, 41,788.32 and 9,386.52 is: 14,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,854.52 : 41,788.32 = 9,386.52 : x
  2. Step 2: Convert to fraction form
    27,854.52/41,788.32 = 9,386.52/x
  3. Step 3: Cross multiply
    27,854.52x = 41,788.32 × 9,386.52
  4. Step 4: Simplify right side
    27,854.52x = 392,246,901.45
  5. Step 5: Solve for x
    x = 392,246,901.45/27,854.52
  6. Step 6: Final answer
    x = 14,081.98

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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.