Home / 26,976.14-40,398.60-18,633.96

Finding the Fourth Proportional to 26,976.14, 40,398.60 and 18,633.96

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Solution

The fourth proportional to 26,976.14, 40,398.60 and 18,633.96 is: 27,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,976.14 : 40,398.60 = 18,633.96 : x
  2. Step 2: Convert to fraction form
    26,976.14/40,398.60 = 18,633.96/x
  3. Step 3: Cross multiply
    26,976.14x = 40,398.60 × 18,633.96
  4. Step 4: Simplify right side
    26,976.14x = 752,785,896.46
  5. Step 5: Solve for x
    x = 752,785,896.46/26,976.14
  6. Step 6: Final answer
    x = 27,905.62

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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.