Home / 21,882.62-30,238.88-17,902.28

Finding the Fourth Proportional to 21,882.62, 30,238.88 and 17,902.28

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Solution

The fourth proportional to 21,882.62, 30,238.88 and 17,902.28 is: 24,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882.62 : 30,238.88 = 17,902.28 : x
  2. Step 2: Convert to fraction form
    21,882.62/30,238.88 = 17,902.28/x
  3. Step 3: Cross multiply
    21,882.62x = 30,238.88 × 17,902.28
  4. Step 4: Simplify right side
    21,882.62x = 541,344,896.65
  5. Step 5: Solve for x
    x = 541,344,896.65/21,882.62
  6. Step 6: Final answer
    x = 24,738.58

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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.