Home / 27,986.50-41,982.18-7,210

Finding the Fourth Proportional to 27,986.50, 41,982.18 and 7,210

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Solution

The fourth proportional to 27,986.50, 41,982.18 and 7,210 is: 10,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.50 : 41,982.18 = 7,210 : x
  2. Step 2: Convert to fraction form
    27,986.50/41,982.18 = 7,210/x
  3. Step 3: Cross multiply
    27,986.50x = 41,982.18 × 7,210
  4. Step 4: Simplify right side
    27,986.50x = 302,691,517.80
  5. Step 5: Solve for x
    x = 302,691,517.80/27,986.50
  6. Step 6: Final answer
    x = 10,815.63

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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.