Home / 25,635.60-38,446.20-8,110.80

Finding the Fourth Proportional to 25,635.60, 38,446.20 and 8,110.80

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Solution

The fourth proportional to 25,635.60, 38,446.20 and 8,110.80 is: 12,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.60 : 38,446.20 = 8,110.80 : x
  2. Step 2: Convert to fraction form
    25,635.60/38,446.20 = 8,110.80/x
  3. Step 3: Cross multiply
    25,635.60x = 38,446.20 × 8,110.80
  4. Step 4: Simplify right side
    25,635.60x = 311,829,438.96
  5. Step 5: Solve for x
    x = 311,829,438.96/25,635.60
  6. Step 6: Final answer
    x = 12,163.92

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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.