Home / 28,244.32-38,982.24-16,306

Finding the Fourth Proportional to 28,244.32, 38,982.24 and 16,306

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Solution

The fourth proportional to 28,244.32, 38,982.24 and 16,306 is: 22,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.32 : 38,982.24 = 16,306 : x
  2. Step 2: Convert to fraction form
    28,244.32/38,982.24 = 16,306/x
  3. Step 3: Cross multiply
    28,244.32x = 38,982.24 × 16,306
  4. Step 4: Simplify right side
    28,244.32x = 635,644,405.44
  5. Step 5: Solve for x
    x = 635,644,405.44/28,244.32
  6. Step 6: Final answer
    x = 22,505.21

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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.