Home / 87,838.80-131,758.20-25,515.60

Finding the Fourth Proportional to 87,838.80, 131,758.20 and 25,515.60

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Solution

The fourth proportional to 87,838.80, 131,758.20 and 25,515.60 is: 38,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,838.80 : 131,758.20 = 25,515.60 : x
  2. Step 2: Convert to fraction form
    87,838.80/131,758.20 = 25,515.60/x
  3. Step 3: Cross multiply
    87,838.80x = 131,758.20 × 25,515.60
  4. Step 4: Simplify right side
    87,838.80x = 3,361,889,527.92
  5. Step 5: Solve for x
    x = 3,361,889,527.92/87,838.80
  6. Step 6: Final answer
    x = 38,273.40

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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.