Home / 28,098.69-38,776.94-15,352.41

Finding the Fourth Proportional to 28,098.69, 38,776.94 and 15,352.41

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Solution

The fourth proportional to 28,098.69, 38,776.94 and 15,352.41 is: 21,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.69 : 38,776.94 = 15,352.41 : x
  2. Step 2: Convert to fraction form
    28,098.69/38,776.94 = 15,352.41/x
  3. Step 3: Cross multiply
    28,098.69x = 38,776.94 × 15,352.41
  4. Step 4: Simplify right side
    28,098.69x = 595,319,481.43
  5. Step 5: Solve for x
    x = 595,319,481.43/28,098.69
  6. Step 6: Final answer
    x = 21,186.73

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Similar ratio
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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.