Home / 25,156.44-34,716.60-15,086.52

Finding the Fourth Proportional to 25,156.44, 34,716.60 and 15,086.52

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Solution

The fourth proportional to 25,156.44, 34,716.60 and 15,086.52 is: 20,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.44 : 34,716.60 = 15,086.52 : x
  2. Step 2: Convert to fraction form
    25,156.44/34,716.60 = 15,086.52/x
  3. Step 3: Cross multiply
    25,156.44x = 34,716.60 × 15,086.52
  4. Step 4: Simplify right side
    25,156.44x = 523,752,680.23
  5. Step 5: Solve for x
    x = 523,752,680.23/25,156.44
  6. Step 6: Final answer
    x = 20,819.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.