Home / 38,005.93-57,021.19-18,281.91

Finding the Fourth Proportional to 38,005.93, 57,021.19 and 18,281.91

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Solution

The fourth proportional to 38,005.93, 57,021.19 and 18,281.91 is: 27,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.93 : 57,021.19 = 18,281.91 : x
  2. Step 2: Convert to fraction form
    38,005.93/57,021.19 = 18,281.91/x
  3. Step 3: Cross multiply
    38,005.93x = 57,021.19 × 18,281.91
  4. Step 4: Simplify right side
    38,005.93x = 1,042,456,263.67
  5. Step 5: Solve for x
    x = 1,042,456,263.67/38,005.93
  6. Step 6: Final answer
    x = 27,428.78

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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.