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Finding the Fourth Proportional to 25,650.83, 38,515.63 and 22,865.83

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Solution

The fourth proportional to 25,650.83, 38,515.63 and 22,865.83 is: 34,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.83 : 38,515.63 = 22,865.83 : x
  2. Step 2: Convert to fraction form
    25,650.83/38,515.63 = 22,865.83/x
  3. Step 3: Cross multiply
    25,650.83x = 38,515.63 × 22,865.83
  4. Step 4: Simplify right side
    25,650.83x = 880,691,847.92
  5. Step 5: Solve for x
    x = 880,691,847.92/25,650.83
  6. Step 6: Final answer
    x = 34,333.85

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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.