Home / 25,600.95-38,418.72-8,961.12

Finding the Fourth Proportional to 25,600.95, 38,418.72 and 8,961.12

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Solution

The fourth proportional to 25,600.95, 38,418.72 and 8,961.12 is: 13,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.95 : 38,418.72 = 8,961.12 : x
  2. Step 2: Convert to fraction form
    25,600.95/38,418.72 = 8,961.12/x
  3. Step 3: Cross multiply
    25,600.95x = 38,418.72 × 8,961.12
  4. Step 4: Simplify right side
    25,600.95x = 344,274,760.17
  5. Step 5: Solve for x
    x = 344,274,760.17/25,600.95
  6. Step 6: Final answer
    x = 13,447.73

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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.