Home / 38,112.20-57,233.10-28,262.60

Finding the Fourth Proportional to 38,112.20, 57,233.10 and 28,262.60

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Solution

The fourth proportional to 38,112.20, 57,233.10 and 28,262.60 is: 42,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112.20 : 57,233.10 = 28,262.60 : x
  2. Step 2: Convert to fraction form
    38,112.20/57,233.10 = 28,262.60/x
  3. Step 3: Cross multiply
    38,112.20x = 57,233.10 × 28,262.60
  4. Step 4: Simplify right side
    38,112.20x = 1,617,556,212.06
  5. Step 5: Solve for x
    x = 1,617,556,212.06/38,112.20
  6. Step 6: Final answer
    x = 42,441.95

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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.