Home / 25,590.20-38,385.30-8,061.80

Finding the Fourth Proportional to 25,590.20, 38,385.30 and 8,061.80

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Solution

The fourth proportional to 25,590.20, 38,385.30 and 8,061.80 is: 12,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.20 : 38,385.30 = 8,061.80 : x
  2. Step 2: Convert to fraction form
    25,590.20/38,385.30 = 8,061.80/x
  3. Step 3: Cross multiply
    25,590.20x = 38,385.30 × 8,061.80
  4. Step 4: Simplify right side
    25,590.20x = 309,454,611.54
  5. Step 5: Solve for x
    x = 309,454,611.54/25,590.20
  6. Step 6: Final answer
    x = 12,092.70

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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.