Home / 52,082.20-71,873.41-28,208.87

Finding the Fourth Proportional to 52,082.20, 71,873.41 and 28,208.87

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Solution

The fourth proportional to 52,082.20, 71,873.41 and 28,208.87 is: 38,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,082.20 : 71,873.41 = 28,208.87 : x
  2. Step 2: Convert to fraction form
    52,082.20/71,873.41 = 28,208.87/x
  3. Step 3: Cross multiply
    52,082.20x = 71,873.41 × 28,208.87
  4. Step 4: Simplify right side
    52,082.20x = 2,027,467,679.15
  5. Step 5: Solve for x
    x = 2,027,467,679.15/52,082.20
  6. Step 6: Final answer
    x = 38,928.23

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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.