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Finding the Fourth Proportional to 27,546.50, 41,326.24 and 9,078.50

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Solution

The fourth proportional to 27,546.50, 41,326.24 and 9,078.50 is: 13,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,546.50 : 41,326.24 = 9,078.50 : x
  2. Step 2: Convert to fraction form
    27,546.50/41,326.24 = 9,078.50/x
  3. Step 3: Cross multiply
    27,546.50x = 41,326.24 × 9,078.50
  4. Step 4: Simplify right side
    27,546.50x = 375,180,269.84
  5. Step 5: Solve for x
    x = 375,180,269.84/27,546.50
  6. Step 6: Final answer
    x = 13,619.89

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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.