Home / 25,721.44-38,589.46-8,192.64

Finding the Fourth Proportional to 25,721.44, 38,589.46 and 8,192.64

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Solution

The fourth proportional to 25,721.44, 38,589.46 and 8,192.64 is: 12,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.44 : 38,589.46 = 8,192.64 : x
  2. Step 2: Convert to fraction form
    25,721.44/38,589.46 = 8,192.64/x
  3. Step 3: Cross multiply
    25,721.44x = 38,589.46 × 8,192.64
  4. Step 4: Simplify right side
    25,721.44x = 316,149,553.57
  5. Step 5: Solve for x
    x = 316,149,553.57/25,721.44
  6. Step 6: Final answer
    x = 12,291.29

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1.5x scale

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.