Home / 27,992.25-41,989.19-7,215.75

Finding the Fourth Proportional to 27,992.25, 41,989.19 and 7,215.75

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Solution

The fourth proportional to 27,992.25, 41,989.19 and 7,215.75 is: 10,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.25 : 41,989.19 = 7,215.75 : x
  2. Step 2: Convert to fraction form
    27,992.25/41,989.19 = 7,215.75/x
  3. Step 3: Cross multiply
    27,992.25x = 41,989.19 × 7,215.75
  4. Step 4: Simplify right side
    27,992.25x = 302,983,461.66
  5. Step 5: Solve for x
    x = 302,983,461.66/27,992.25
  6. Step 6: Final answer
    x = 10,823.83

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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.