Home / 38,446.44-57,664.59-11,428.21

Finding the Fourth Proportional to 38,446.44, 57,664.59 and 11,428.21

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Solution

The fourth proportional to 38,446.44, 57,664.59 and 11,428.21 is: 17,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,446.44 : 57,664.59 = 11,428.21 : x
  2. Step 2: Convert to fraction form
    38,446.44/57,664.59 = 11,428.21/x
  3. Step 3: Cross multiply
    38,446.44x = 57,664.59 × 11,428.21
  4. Step 4: Simplify right side
    38,446.44x = 659,002,942.78
  5. Step 5: Solve for x
    x = 659,002,942.78/38,446.44
  6. Step 6: Final answer
    x = 17,140.81

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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.