Home / 38,451.20-57,618.36-28,544

Finding the Fourth Proportional to 38,451.20, 57,618.36 and 28,544

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Solution

The fourth proportional to 38,451.20, 57,618.36 and 28,544 is: 42,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.20 : 57,618.36 = 28,544 : x
  2. Step 2: Convert to fraction form
    38,451.20/57,618.36 = 28,544/x
  3. Step 3: Cross multiply
    38,451.20x = 57,618.36 × 28,544
  4. Step 4: Simplify right side
    38,451.20x = 1,644,658,467.84
  5. Step 5: Solve for x
    x = 1,644,658,467.84/38,451.20
  6. Step 6: Final answer
    x = 42,772.62

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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.