Home / 41,818.16-62,728.92-18,439.28

Finding the Fourth Proportional to 41,818.16, 62,728.92 and 18,439.28

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Solution

The fourth proportional to 41,818.16, 62,728.92 and 18,439.28 is: 27,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,818.16 : 62,728.92 = 18,439.28 : x
  2. Step 2: Convert to fraction form
    41,818.16/62,728.92 = 18,439.28/x
  3. Step 3: Cross multiply
    41,818.16x = 62,728.92 × 18,439.28
  4. Step 4: Simplify right side
    41,818.16x = 1,156,676,119.98
  5. Step 5: Solve for x
    x = 1,156,676,119.98/41,818.16
  6. Step 6: Final answer
    x = 27,659.66

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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.