Home / 25,414.56-38,125.36-7,885.76

Finding the Fourth Proportional to 25,414.56, 38,125.36 and 7,885.76

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Solution

The fourth proportional to 25,414.56, 38,125.36 and 7,885.76 is: 11,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.56 : 38,125.36 = 7,885.76 : x
  2. Step 2: Convert to fraction form
    25,414.56/38,125.36 = 7,885.76/x
  3. Step 3: Cross multiply
    25,414.56x = 38,125.36 × 7,885.76
  4. Step 4: Simplify right side
    25,414.56x = 300,647,438.87
  5. Step 5: Solve for x
    x = 300,647,438.87/25,414.56
  6. Step 6: Final answer
    x = 11,829.73

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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.