Home / 28,251.87-42,377.80-22,016.54

Finding the Fourth Proportional to 28,251.87, 42,377.80 and 22,016.54

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Solution

The fourth proportional to 28,251.87, 42,377.80 and 22,016.54 is: 33,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.87 : 42,377.80 = 22,016.54 : x
  2. Step 2: Convert to fraction form
    28,251.87/42,377.80 = 22,016.54/x
  3. Step 3: Cross multiply
    28,251.87x = 42,377.80 × 22,016.54
  4. Step 4: Simplify right side
    28,251.87x = 933,012,659.17
  5. Step 5: Solve for x
    x = 933,012,659.17/28,251.87
  6. Step 6: Final answer
    x = 33,024.81

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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.