Home / 27,982.20-41,973.30-9,257.20

Finding the Fourth Proportional to 27,982.20, 41,973.30 and 9,257.20

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Solution

The fourth proportional to 27,982.20, 41,973.30 and 9,257.20 is: 13,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.20 : 41,973.30 = 9,257.20 : x
  2. Step 2: Convert to fraction form
    27,982.20/41,973.30 = 9,257.20/x
  3. Step 3: Cross multiply
    27,982.20x = 41,973.30 × 9,257.20
  4. Step 4: Simplify right side
    27,982.20x = 388,555,232.76
  5. Step 5: Solve for x
    x = 388,555,232.76/27,982.20
  6. Step 6: Final answer
    x = 13,885.80

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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.