Home / 38,446.69-57,664.97-11,428.46

Finding the Fourth Proportional to 38,446.69, 57,664.97 and 11,428.46

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Solution

The fourth proportional to 38,446.69, 57,664.97 and 11,428.46 is: 17,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,446.69 : 57,664.97 = 11,428.46 : x
  2. Step 2: Convert to fraction form
    38,446.69/57,664.97 = 11,428.46/x
  3. Step 3: Cross multiply
    38,446.69x = 57,664.97 × 11,428.46
  4. Step 4: Simplify right side
    38,446.69x = 659,021,630.31
  5. Step 5: Solve for x
    x = 659,021,630.31/38,446.69
  6. Step 6: Final answer
    x = 17,141.18

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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.