Home / 25,672.58-38,452.17-15,780.86

Finding the Fourth Proportional to 25,672.58, 38,452.17 and 15,780.86

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Solution

The fourth proportional to 25,672.58, 38,452.17 and 15,780.86 is: 23,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.58 : 38,452.17 = 15,780.86 : x
  2. Step 2: Convert to fraction form
    25,672.58/38,452.17 = 15,780.86/x
  3. Step 3: Cross multiply
    25,672.58x = 38,452.17 × 15,780.86
  4. Step 4: Simplify right side
    25,672.58x = 606,808,311.47
  5. Step 5: Solve for x
    x = 606,808,311.47/25,672.58
  6. Step 6: Final answer
    x = 23,636.44

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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.