Home / 25,989.27-38,988.11-10,185.73

Finding the Fourth Proportional to 25,989.27, 38,988.11 and 10,185.73

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Solution

The fourth proportional to 25,989.27, 38,988.11 and 10,185.73 is: 15,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.27 : 38,988.11 = 10,185.73 : x
  2. Step 2: Convert to fraction form
    25,989.27/38,988.11 = 10,185.73/x
  3. Step 3: Cross multiply
    25,989.27x = 38,988.11 × 10,185.73
  4. Step 4: Simplify right side
    25,989.27x = 397,122,361.67
  5. Step 5: Solve for x
    x = 397,122,361.67/25,989.27
  6. Step 6: Final answer
    x = 15,280.24

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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.