Home / 27,988.66-41,982.99-21,340.18

Finding the Fourth Proportional to 27,988.66, 41,982.99 and 21,340.18

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Solution

The fourth proportional to 27,988.66, 41,982.99 and 21,340.18 is: 32,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.66 : 41,982.99 = 21,340.18 : x
  2. Step 2: Convert to fraction form
    27,988.66/41,982.99 = 21,340.18/x
  3. Step 3: Cross multiply
    27,988.66x = 41,982.99 × 21,340.18
  4. Step 4: Simplify right side
    27,988.66x = 895,924,563.54
  5. Step 5: Solve for x
    x = 895,924,563.54/27,988.66
  6. Step 6: Final answer
    x = 32,010.27

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1.5x scale

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.