Home / 27,821.38-38,393.51-15,246.13

Finding the Fourth Proportional to 27,821.38, 38,393.51 and 15,246.13

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Solution

The fourth proportional to 27,821.38, 38,393.51 and 15,246.13 is: 21,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.38 : 38,393.51 = 15,246.13 : x
  2. Step 2: Convert to fraction form
    27,821.38/38,393.51 = 15,246.13/x
  3. Step 3: Cross multiply
    27,821.38x = 38,393.51 × 15,246.13
  4. Step 4: Simplify right side
    27,821.38x = 585,352,444.62
  5. Step 5: Solve for x
    x = 585,352,444.62/27,821.38
  6. Step 6: Final answer
    x = 21,039.66

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Find fourth proportional to 27,822.38, 38,394.89 and 15,247.13
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.