Home / 52,147.20-71,963.20-28,273.76

Finding the Fourth Proportional to 52,147.20, 71,963.20 and 28,273.76

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Solution

The fourth proportional to 52,147.20, 71,963.20 and 28,273.76 is: 39,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,147.20 : 71,963.20 = 28,273.76 : x
  2. Step 2: Convert to fraction form
    52,147.20/71,963.20 = 28,273.76/x
  3. Step 3: Cross multiply
    52,147.20x = 71,963.20 × 28,273.76
  4. Step 4: Simplify right side
    52,147.20x = 2,034,670,245.63
  5. Step 5: Solve for x
    x = 2,034,670,245.63/52,147.20
  6. Step 6: Final answer
    x = 39,017.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.