Home / 25,713.60-38,573.24-8,179.34

Finding the Fourth Proportional to 25,713.60, 38,573.24 and 8,179.34

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Solution

The fourth proportional to 25,713.60, 38,573.24 and 8,179.34 is: 12,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.60 : 38,573.24 = 8,179.34 : x
  2. Step 2: Convert to fraction form
    25,713.60/38,573.24 = 8,179.34/x
  3. Step 3: Cross multiply
    25,713.60x = 38,573.24 × 8,179.34
  4. Step 4: Simplify right side
    25,713.60x = 315,503,411.10
  5. Step 5: Solve for x
    x = 315,503,411.10/25,713.60
  6. Step 6: Final answer
    x = 12,269.90

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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.