Home / 27,492.56-41,243.97-12,500.78

Finding the Fourth Proportional to 27,492.56, 41,243.97 and 12,500.78

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Solution

The fourth proportional to 27,492.56, 41,243.97 and 12,500.78 is: 18,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,492.56 : 41,243.97 = 12,500.78 : x
  2. Step 2: Convert to fraction form
    27,492.56/41,243.97 = 12,500.78/x
  3. Step 3: Cross multiply
    27,492.56x = 41,243.97 × 12,500.78
  4. Step 4: Simplify right side
    27,492.56x = 515,581,589.08
  5. Step 5: Solve for x
    x = 515,581,589.08/27,492.56
  6. Step 6: Final answer
    x = 18,753.50

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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.