Home / 52,081.89-71,872.97-28,208.55

Finding the Fourth Proportional to 52,081.89, 71,872.97 and 28,208.55

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Solution

The fourth proportional to 52,081.89, 71,872.97 and 28,208.55 is: 38,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.89 : 71,872.97 = 28,208.55 : x
  2. Step 2: Convert to fraction form
    52,081.89/71,872.97 = 28,208.55/x
  3. Step 3: Cross multiply
    52,081.89x = 71,872.97 × 28,208.55
  4. Step 4: Simplify right side
    52,081.89x = 2,027,432,267.89
  5. Step 5: Solve for x
    x = 2,027,432,267.89/52,081.89
  6. Step 6: Final answer
    x = 38,927.78

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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.