Home / 47,827.28-71,738.15-18,248.10

Finding the Fourth Proportional to 47,827.28, 71,738.15 and 18,248.10

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Solution

The fourth proportional to 47,827.28, 71,738.15 and 18,248.10 is: 27,371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,827.28 : 71,738.15 = 18,248.10 : x
  2. Step 2: Convert to fraction form
    47,827.28/71,738.15 = 18,248.10/x
  3. Step 3: Cross multiply
    47,827.28x = 71,738.15 × 18,248.10
  4. Step 4: Simplify right side
    47,827.28x = 1,309,084,843.77
  5. Step 5: Solve for x
    x = 1,309,084,843.77/47,827.28
  6. Step 6: Final answer
    x = 27,371.09

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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.