Home / 25,932.80-35,781.16-15,324.04

Finding the Fourth Proportional to 25,932.80, 35,781.16 and 15,324.04

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Solution

The fourth proportional to 25,932.80, 35,781.16 and 15,324.04 is: 21,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,932.80 : 35,781.16 = 15,324.04 : x
  2. Step 2: Convert to fraction form
    25,932.80/35,781.16 = 15,324.04/x
  3. Step 3: Cross multiply
    25,932.80x = 35,781.16 × 15,324.04
  4. Step 4: Simplify right side
    25,932.80x = 548,311,927.09
  5. Step 5: Solve for x
    x = 548,311,927.09/25,932.80
  6. Step 6: Final answer
    x = 21,143.57

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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.