Home / 28,452.26-39,251.54-17,115.22

Finding the Fourth Proportional to 28,452.26, 39,251.54 and 17,115.22

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Solution

The fourth proportional to 28,452.26, 39,251.54 and 17,115.22 is: 23,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.26 : 39,251.54 = 17,115.22 : x
  2. Step 2: Convert to fraction form
    28,452.26/39,251.54 = 17,115.22/x
  3. Step 3: Cross multiply
    28,452.26x = 39,251.54 × 17,115.22
  4. Step 4: Simplify right side
    28,452.26x = 671,798,558.73
  5. Step 5: Solve for x
    x = 671,798,558.73/28,452.26
  6. Step 6: Final answer
    x = 23,611.43

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Half scale
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Double scale
Find fourth proportional to 28,453.26, 39,252.91 and 17,116.22
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.