Home / 26,910.36-40,367.61-8,192.00

Finding the Fourth Proportional to 26,910.36, 40,367.61 and 8,192.00

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Solution

The fourth proportional to 26,910.36, 40,367.61 and 8,192.00 is: 12,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.36 : 40,367.61 = 8,192.00 : x
  2. Step 2: Convert to fraction form
    26,910.36/40,367.61 = 8,192.00/x
  3. Step 3: Cross multiply
    26,910.36x = 40,367.61 × 8,192.00
  4. Step 4: Simplify right side
    26,910.36x = 330,691,562.04
  5. Step 5: Solve for x
    x = 330,691,562.04/26,910.36
  6. Step 6: Final answer
    x = 12,288.63

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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.