Home / 28,183.14-42,278.83-8,463.25

Finding the Fourth Proportional to 28,183.14, 42,278.83 and 8,463.25

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Solution

The fourth proportional to 28,183.14, 42,278.83 and 8,463.25 is: 12,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.14 : 42,278.83 = 8,463.25 : x
  2. Step 2: Convert to fraction form
    28,183.14/42,278.83 = 8,463.25/x
  3. Step 3: Cross multiply
    28,183.14x = 42,278.83 × 8,463.25
  4. Step 4: Simplify right side
    28,183.14x = 357,816,339.69
  5. Step 5: Solve for x
    x = 357,816,339.69/28,183.14
  6. Step 6: Final answer
    x = 12,696.11

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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.