Home / 25,724.20-38,586.30-8,195.80

Finding the Fourth Proportional to 25,724.20, 38,586.30 and 8,195.80

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Solution

The fourth proportional to 25,724.20, 38,586.30 and 8,195.80 is: 12,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.20 : 38,586.30 = 8,195.80 : x
  2. Step 2: Convert to fraction form
    25,724.20/38,586.30 = 8,195.80/x
  3. Step 3: Cross multiply
    25,724.20x = 38,586.30 × 8,195.80
  4. Step 4: Simplify right side
    25,724.20x = 316,245,597.54
  5. Step 5: Solve for x
    x = 316,245,597.54/25,724.20
  6. Step 6: Final answer
    x = 12,293.70

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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.