Home / 41,664.60-57,475.68-28,231.28

Finding the Fourth Proportional to 41,664.60, 57,475.68 and 28,231.28

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Solution

The fourth proportional to 41,664.60, 57,475.68 and 28,231.28 is: 38,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,664.60 : 57,475.68 = 28,231.28 : x
  2. Step 2: Convert to fraction form
    41,664.60/57,475.68 = 28,231.28/x
  3. Step 3: Cross multiply
    41,664.60x = 57,475.68 × 28,231.28
  4. Step 4: Simplify right side
    41,664.60x = 1,622,612,015.27
  5. Step 5: Solve for x
    x = 1,622,612,015.27/41,664.60
  6. Step 6: Final answer
    x = 38,944.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.