Home / 27,389.04-41,083.56-21,306.48

Finding the Fourth Proportional to 27,389.04, 41,083.56 and 21,306.48

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Solution

The fourth proportional to 27,389.04, 41,083.56 and 21,306.48 is: 31,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.04 : 41,083.56 = 21,306.48 : x
  2. Step 2: Convert to fraction form
    27,389.04/41,083.56 = 21,306.48/x
  3. Step 3: Cross multiply
    27,389.04x = 41,083.56 × 21,306.48
  4. Step 4: Simplify right side
    27,389.04x = 875,346,049.47
  5. Step 5: Solve for x
    x = 875,346,049.47/27,389.04
  6. Step 6: Final answer
    x = 31,959.72

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Similar ratio
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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.