Home / 26,923.20-40,391.68-9,393.28

Finding the Fourth Proportional to 26,923.20, 40,391.68 and 9,393.28

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Solution

The fourth proportional to 26,923.20, 40,391.68 and 9,393.28 is: 14,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,923.20 : 40,391.68 = 9,393.28 : x
  2. Step 2: Convert to fraction form
    26,923.20/40,391.68 = 9,393.28/x
  3. Step 3: Cross multiply
    26,923.20x = 40,391.68 × 9,393.28
  4. Step 4: Simplify right side
    26,923.20x = 379,410,359.91
  5. Step 5: Solve for x
    x = 379,410,359.91/26,923.20
  6. Step 6: Final answer
    x = 14,092.32

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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.