Home / 25,245.35-34,838.42-13,760.24

Finding the Fourth Proportional to 25,245.35, 34,838.42 and 13,760.24

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Solution

The fourth proportional to 25,245.35, 34,838.42 and 13,760.24 is: 18,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.35 : 34,838.42 = 13,760.24 : x
  2. Step 2: Convert to fraction form
    25,245.35/34,838.42 = 13,760.24/x
  3. Step 3: Cross multiply
    25,245.35x = 34,838.42 × 13,760.24
  4. Step 4: Simplify right side
    25,245.35x = 479,384,777.43
  5. Step 5: Solve for x
    x = 479,384,777.43/25,245.35
  6. Step 6: Final answer
    x = 18,989.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.