Home / 28,183.73-42,279.66-8,463.83

Finding the Fourth Proportional to 28,183.73, 42,279.66 and 8,463.83

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Solution

The fourth proportional to 28,183.73, 42,279.66 and 8,463.83 is: 12,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.73 : 42,279.66 = 8,463.83 : x
  2. Step 2: Convert to fraction form
    28,183.73/42,279.66 = 8,463.83/x
  3. Step 3: Cross multiply
    28,183.73x = 42,279.66 × 8,463.83
  4. Step 4: Simplify right side
    28,183.73x = 357,847,643.30
  5. Step 5: Solve for x
    x = 357,847,643.30/28,183.73
  6. Step 6: Final answer
    x = 12,696.96

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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.