Home / 25,381.08-34,989.20-17,803.90

Finding the Fourth Proportional to 25,381.08, 34,989.20 and 17,803.90

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Solution

The fourth proportional to 25,381.08, 34,989.20 and 17,803.90 is: 24,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.08 : 34,989.20 = 17,803.90 : x
  2. Step 2: Convert to fraction form
    25,381.08/34,989.20 = 17,803.90/x
  3. Step 3: Cross multiply
    25,381.08x = 34,989.20 × 17,803.90
  4. Step 4: Simplify right side
    25,381.08x = 622,944,239.36
  5. Step 5: Solve for x
    x = 622,944,239.36/25,381.08
  6. Step 6: Final answer
    x = 24,543.65

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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.