Home / 38,538.25-57,819.03-27,315.30

Finding the Fourth Proportional to 38,538.25, 57,819.03 and 27,315.30

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Solution

The fourth proportional to 38,538.25, 57,819.03 and 27,315.30 is: 40,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538.25 : 57,819.03 = 27,315.30 : x
  2. Step 2: Convert to fraction form
    38,538.25/57,819.03 = 27,315.30/x
  3. Step 3: Cross multiply
    38,538.25x = 57,819.03 × 27,315.30
  4. Step 4: Simplify right side
    38,538.25x = 1,579,344,150.16
  5. Step 5: Solve for x
    x = 1,579,344,150.16/38,538.25
  6. Step 6: Final answer
    x = 40,981.21

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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.