Home / 27,538.44-38,002.38-15,438.12

Finding the Fourth Proportional to 27,538.44, 38,002.38 and 15,438.12

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Solution

The fourth proportional to 27,538.44, 38,002.38 and 15,438.12 is: 21,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,538.44 : 38,002.38 = 15,438.12 : x
  2. Step 2: Convert to fraction form
    27,538.44/38,002.38 = 15,438.12/x
  3. Step 3: Cross multiply
    27,538.44x = 38,002.38 × 15,438.12
  4. Step 4: Simplify right side
    27,538.44x = 586,685,302.73
  5. Step 5: Solve for x
    x = 586,685,302.73/27,538.44
  6. Step 6: Final answer
    x = 21,304.23

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Half 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.