Home / 26,920.38-40,382.55-8,202.02

Finding the Fourth Proportional to 26,920.38, 40,382.55 and 8,202.02

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Solution

The fourth proportional to 26,920.38, 40,382.55 and 8,202.02 is: 12,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.38 : 40,382.55 = 8,202.02 : x
  2. Step 2: Convert to fraction form
    26,920.38/40,382.55 = 8,202.02/x
  3. Step 3: Cross multiply
    26,920.38x = 40,382.55 × 8,202.02
  4. Step 4: Simplify right side
    26,920.38x = 331,218,280.84
  5. Step 5: Solve for x
    x = 331,218,280.84/26,920.38
  6. Step 6: Final answer
    x = 12,303.63

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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.