Home / 28,251.80-42,377.70-25,335.80

Finding the Fourth Proportional to 28,251.80, 42,377.70 and 25,335.80

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Solution

The fourth proportional to 28,251.80, 42,377.70 and 25,335.80 is: 38,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.80 : 42,377.70 = 25,335.80 : x
  2. Step 2: Convert to fraction form
    28,251.80/42,377.70 = 25,335.80/x
  3. Step 3: Cross multiply
    28,251.80x = 42,377.70 × 25,335.80
  4. Step 4: Simplify right side
    28,251.80x = 1,073,672,931.66
  5. Step 5: Solve for x
    x = 1,073,672,931.66/28,251.80
  6. Step 6: Final answer
    x = 38,003.70

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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.