Home / 26,982.11-40,473.10-8,261.90

Finding the Fourth Proportional to 26,982.11, 40,473.10 and 8,261.90

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Solution

The fourth proportional to 26,982.11, 40,473.10 and 8,261.90 is: 12,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,982.11 : 40,473.10 = 8,261.90 : x
  2. Step 2: Convert to fraction form
    26,982.11/40,473.10 = 8,261.90/x
  3. Step 3: Cross multiply
    26,982.11x = 40,473.10 × 8,261.90
  4. Step 4: Simplify right side
    26,982.11x = 334,384,664.63
  5. Step 5: Solve for x
    x = 334,384,664.63/26,982.11
  6. Step 6: Final answer
    x = 12,392.83

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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.