Home / 28,279.20-42,418.80-24,998.70

Finding the Fourth Proportional to 28,279.20, 42,418.80 and 24,998.70

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Solution

The fourth proportional to 28,279.20, 42,418.80 and 24,998.70 is: 37,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,279.20 : 42,418.80 = 24,998.70 : x
  2. Step 2: Convert to fraction form
    28,279.20/42,418.80 = 24,998.70/x
  3. Step 3: Cross multiply
    28,279.20x = 42,418.80 × 24,998.70
  4. Step 4: Simplify right side
    28,279.20x = 1,060,414,855.56
  5. Step 5: Solve for x
    x = 1,060,414,855.56/28,279.20
  6. Step 6: Final answer
    x = 37,498.05

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1.5x scale

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.