Home / 27,487.08-41,230.71-11,689.86

Finding the Fourth Proportional to 27,487.08, 41,230.71 and 11,689.86

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Solution

The fourth proportional to 27,487.08, 41,230.71 and 11,689.86 is: 17,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487.08 : 41,230.71 = 11,689.86 : x
  2. Step 2: Convert to fraction form
    27,487.08/41,230.71 = 11,689.86/x
  3. Step 3: Cross multiply
    27,487.08x = 41,230.71 × 11,689.86
  4. Step 4: Simplify right side
    27,487.08x = 481,981,227.60
  5. Step 5: Solve for x
    x = 481,981,227.60/27,487.08
  6. Step 6: Final answer
    x = 17,534.83

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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.