Home / 25,512.94-38,286.82-8,872.80

Finding the Fourth Proportional to 25,512.94, 38,286.82 and 8,872.80

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Solution

The fourth proportional to 25,512.94, 38,286.82 and 8,872.80 is: 13,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,512.94 : 38,286.82 = 8,872.80 : x
  2. Step 2: Convert to fraction form
    25,512.94/38,286.82 = 8,872.80/x
  3. Step 3: Cross multiply
    25,512.94x = 38,286.82 × 8,872.80
  4. Step 4: Simplify right side
    25,512.94x = 339,711,296.50
  5. Step 5: Solve for x
    x = 339,711,296.50/25,512.94
  6. Step 6: Final answer
    x = 13,315.25

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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.