Home / 38,388.87-57,786.95-27,371.79

Finding the Fourth Proportional to 38,388.87, 57,786.95 and 27,371.79

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Solution

The fourth proportional to 38,388.87, 57,786.95 and 27,371.79 is: 41,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.87 : 57,786.95 = 27,371.79 : x
  2. Step 2: Convert to fraction form
    38,388.87/57,786.95 = 27,371.79/x
  3. Step 3: Cross multiply
    38,388.87x = 57,786.95 × 27,371.79
  4. Step 4: Simplify right side
    38,388.87x = 1,581,732,328.57
  5. Step 5: Solve for x
    x = 1,581,732,328.57/38,388.87
  6. Step 6: Final answer
    x = 41,202.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.