Home / 28,244.62-42,388.80-15,108.04

Finding the Fourth Proportional to 28,244.62, 42,388.80 and 15,108.04

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Solution

The fourth proportional to 28,244.62, 42,388.80 and 15,108.04 is: 22,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.62 : 42,388.80 = 15,108.04 : x
  2. Step 2: Convert to fraction form
    28,244.62/42,388.80 = 15,108.04/x
  3. Step 3: Cross multiply
    28,244.62x = 42,388.80 × 15,108.04
  4. Step 4: Simplify right side
    28,244.62x = 640,411,685.95
  5. Step 5: Solve for x
    x = 640,411,685.95/28,244.62
  6. Step 6: Final answer
    x = 22,673.76

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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.