Home / 26,869.92-40,287.60-12,822.36

Finding the Fourth Proportional to 26,869.92, 40,287.60 and 12,822.36

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Solution

The fourth proportional to 26,869.92, 40,287.60 and 12,822.36 is: 19,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.92 : 40,287.60 = 12,822.36 : x
  2. Step 2: Convert to fraction form
    26,869.92/40,287.60 = 12,822.36/x
  3. Step 3: Cross multiply
    26,869.92x = 40,287.60 × 12,822.36
  4. Step 4: Simplify right side
    26,869.92x = 516,582,110.74
  5. Step 5: Solve for x
    x = 516,582,110.74/26,869.92
  6. Step 6: Final answer
    x = 19,225.29

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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.