Home / 27,487.80-41,234.64-8,763.42

Finding the Fourth Proportional to 27,487.80, 41,234.64 and 8,763.42

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Solution

The fourth proportional to 27,487.80, 41,234.64 and 8,763.42 is: 13,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487.80 : 41,234.64 = 8,763.42 : x
  2. Step 2: Convert to fraction form
    27,487.80/41,234.64 = 8,763.42/x
  3. Step 3: Cross multiply
    27,487.80x = 41,234.64 × 8,763.42
  4. Step 4: Simplify right side
    27,487.80x = 361,356,468.87
  5. Step 5: Solve for x
    x = 361,356,468.87/27,487.80
  6. Step 6: Final answer
    x = 13,146.07

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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.