Home / 25,520.65-38,285.57-10,519.42

Finding the Fourth Proportional to 25,520.65, 38,285.57 and 10,519.42

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Solution

The fourth proportional to 25,520.65, 38,285.57 and 10,519.42 is: 15,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.65 : 38,285.57 = 10,519.42 : x
  2. Step 2: Convert to fraction form
    25,520.65/38,285.57 = 10,519.42/x
  3. Step 3: Cross multiply
    25,520.65x = 38,285.57 × 10,519.42
  4. Step 4: Simplify right side
    25,520.65x = 402,741,990.77
  5. Step 5: Solve for x
    x = 402,741,990.77/25,520.65
  6. Step 6: Final answer
    x = 15,781.02

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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.