Home / 25,757.85-38,639.96-9,114.55

Finding the Fourth Proportional to 25,757.85, 38,639.96 and 9,114.55

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Solution

The fourth proportional to 25,757.85, 38,639.96 and 9,114.55 is: 13,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,757.85 : 38,639.96 = 9,114.55 : x
  2. Step 2: Convert to fraction form
    25,757.85/38,639.96 = 9,114.55/x
  3. Step 3: Cross multiply
    25,757.85x = 38,639.96 × 9,114.55
  4. Step 4: Simplify right side
    25,757.85x = 352,185,873.73
  5. Step 5: Solve for x
    x = 352,185,873.73/25,757.85
  6. Step 6: Final answer
    x = 13,672.95

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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.