Home / 27,638.41-38,147.15-17,564.88

Finding the Fourth Proportional to 27,638.41, 38,147.15 and 17,564.88

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Solution

The fourth proportional to 27,638.41, 38,147.15 and 17,564.88 is: 24,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.41 : 38,147.15 = 17,564.88 : x
  2. Step 2: Convert to fraction form
    27,638.41/38,147.15 = 17,564.88/x
  3. Step 3: Cross multiply
    27,638.41x = 38,147.15 × 17,564.88
  4. Step 4: Simplify right side
    27,638.41x = 670,050,112.09
  5. Step 5: Solve for x
    x = 670,050,112.09/27,638.41
  6. Step 6: Final answer
    x = 24,243.44

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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.