Home / 52,020.97-71,788.94-28,147.57

Finding the Fourth Proportional to 52,020.97, 71,788.94 and 28,147.57

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Solution

The fourth proportional to 52,020.97, 71,788.94 and 28,147.57 is: 38,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.97 : 71,788.94 = 28,147.57 : x
  2. Step 2: Convert to fraction form
    52,020.97/71,788.94 = 28,147.57/x
  3. Step 3: Cross multiply
    52,020.97x = 71,788.94 × 28,147.57
  4. Step 4: Simplify right side
    52,020.97x = 2,020,684,213.88
  5. Step 5: Solve for x
    x = 2,020,684,213.88/52,020.97
  6. Step 6: Final answer
    x = 38,843.65

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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.