Home / 27,439.20-41,179.62-18,076.02

Finding the Fourth Proportional to 27,439.20, 41,179.62 and 18,076.02

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Solution

The fourth proportional to 27,439.20, 41,179.62 and 18,076.02 is: 27,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,439.20 : 41,179.62 = 18,076.02 : x
  2. Step 2: Convert to fraction form
    27,439.20/41,179.62 = 18,076.02/x
  3. Step 3: Cross multiply
    27,439.20x = 41,179.62 × 18,076.02
  4. Step 4: Simplify right side
    27,439.20x = 744,363,634.71
  5. Step 5: Solve for x
    x = 744,363,634.71/27,439.20
  6. Step 6: Final answer
    x = 27,127.75

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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.