Home / 38,179.36-57,217.20-28,355.68

Finding the Fourth Proportional to 38,179.36, 57,217.20 and 28,355.68

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Solution

The fourth proportional to 38,179.36, 57,217.20 and 28,355.68 is: 42,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.36 : 57,217.20 = 28,355.68 : x
  2. Step 2: Convert to fraction form
    38,179.36/57,217.20 = 28,355.68/x
  3. Step 3: Cross multiply
    38,179.36x = 57,217.20 × 28,355.68
  4. Step 4: Simplify right side
    38,179.36x = 1,622,432,613.70
  5. Step 5: Solve for x
    x = 1,622,432,613.70/38,179.36
  6. Step 6: Final answer
    x = 42,495.02

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1.5x scale

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.