Home / 25,704.10-38,560.20-8,175.70

Finding the Fourth Proportional to 25,704.10, 38,560.20 and 8,175.70

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Solution

The fourth proportional to 25,704.10, 38,560.20 and 8,175.70 is: 12,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704.10 : 38,560.20 = 8,175.70 : x
  2. Step 2: Convert to fraction form
    25,704.10/38,560.20 = 8,175.70/x
  3. Step 3: Cross multiply
    25,704.10x = 38,560.20 × 8,175.70
  4. Step 4: Simplify right side
    25,704.10x = 315,256,627.14
  5. Step 5: Solve for x
    x = 315,256,627.14/25,704.10
  6. Step 6: Final answer
    x = 12,264.84

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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.