Home / 25,375.47-38,057.65-8,510.86

Finding the Fourth Proportional to 25,375.47, 38,057.65 and 8,510.86

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Solution

The fourth proportional to 25,375.47, 38,057.65 and 8,510.86 is: 12,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.47 : 38,057.65 = 8,510.86 : x
  2. Step 2: Convert to fraction form
    25,375.47/38,057.65 = 8,510.86/x
  3. Step 3: Cross multiply
    25,375.47x = 38,057.65 × 8,510.86
  4. Step 4: Simplify right side
    25,375.47x = 323,903,331.08
  5. Step 5: Solve for x
    x = 323,903,331.08/25,375.47
  6. Step 6: Final answer
    x = 12,764.43

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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.