Home / 27,988.20-41,982.30-9,263.20

Finding the Fourth Proportional to 27,988.20, 41,982.30 and 9,263.20

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Solution

The fourth proportional to 27,988.20, 41,982.30 and 9,263.20 is: 13,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.20 : 41,982.30 = 9,263.20 : x
  2. Step 2: Convert to fraction form
    27,988.20/41,982.30 = 9,263.20/x
  3. Step 3: Cross multiply
    27,988.20x = 41,982.30 × 9,263.20
  4. Step 4: Simplify right side
    27,988.20x = 388,890,441.36
  5. Step 5: Solve for x
    x = 388,890,441.36/27,988.20
  6. Step 6: Final answer
    x = 13,894.80

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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.