Home / 26,921.39-40,387.85-8,202.93

Finding the Fourth Proportional to 26,921.39, 40,387.85 and 8,202.93

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Solution

The fourth proportional to 26,921.39, 40,387.85 and 8,202.93 is: 12,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.39 : 40,387.85 = 8,202.93 : x
  2. Step 2: Convert to fraction form
    26,921.39/40,387.85 = 8,202.93/x
  3. Step 3: Cross multiply
    26,921.39x = 40,387.85 × 8,202.93
  4. Step 4: Simplify right side
    26,921.39x = 331,298,766.36
  5. Step 5: Solve for x
    x = 331,298,766.36/26,921.39
  6. Step 6: Final answer
    x = 12,306.15

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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.