Home / 27,721.44-38,255.52-15,146.16

Finding the Fourth Proportional to 27,721.44, 38,255.52 and 15,146.16

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Solution

The fourth proportional to 27,721.44, 38,255.52 and 15,146.16 is: 20,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.44 : 38,255.52 = 15,146.16 : x
  2. Step 2: Convert to fraction form
    27,721.44/38,255.52 = 15,146.16/x
  3. Step 3: Cross multiply
    27,721.44x = 38,255.52 × 15,146.16
  4. Step 4: Simplify right side
    27,721.44x = 579,424,226.80
  5. Step 5: Solve for x
    x = 579,424,226.80/27,721.44
  6. Step 6: Final answer
    x = 20,901.66

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Double scale
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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.