Home / 38,251.20-57,441.60-28,401.60

Finding the Fourth Proportional to 38,251.20, 57,441.60 and 28,401.60

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Solution

The fourth proportional to 38,251.20, 57,441.60 and 28,401.60 is: 42,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251.20 : 57,441.60 = 28,401.60 : x
  2. Step 2: Convert to fraction form
    38,251.20/57,441.60 = 28,401.60/x
  3. Step 3: Cross multiply
    38,251.20x = 57,441.60 × 28,401.60
  4. Step 4: Simplify right side
    38,251.20x = 1,631,433,346.56
  5. Step 5: Solve for x
    x = 1,631,433,346.56/38,251.20
  6. Step 6: Final answer
    x = 42,650.51

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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.