Home / 25,589.28-38,380.88-8,948.04

Finding the Fourth Proportional to 25,589.28, 38,380.88 and 8,948.04

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Solution

The fourth proportional to 25,589.28, 38,380.88 and 8,948.04 is: 13,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.28 : 38,380.88 = 8,948.04 : x
  2. Step 2: Convert to fraction form
    25,589.28/38,380.88 = 8,948.04/x
  3. Step 3: Cross multiply
    25,589.28x = 38,380.88 × 8,948.04
  4. Step 4: Simplify right side
    25,589.28x = 343,433,649.48
  5. Step 5: Solve for x
    x = 343,433,649.48/25,589.28
  6. Step 6: Final answer
    x = 13,421.00

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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.