Home / 25,475.28-38,213.79-6,757.21

Finding the Fourth Proportional to 25,475.28, 38,213.79 and 6,757.21

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Solution

The fourth proportional to 25,475.28, 38,213.79 and 6,757.21 is: 10,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.28 : 38,213.79 = 6,757.21 : x
  2. Step 2: Convert to fraction form
    25,475.28/38,213.79 = 6,757.21/x
  3. Step 3: Cross multiply
    25,475.28x = 38,213.79 × 6,757.21
  4. Step 4: Simplify right side
    25,475.28x = 258,218,582.12
  5. Step 5: Solve for x
    x = 258,218,582.12/25,475.28
  6. Step 6: Final answer
    x = 10,136.04

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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.