Home / 27,728.92-38,255.04-17,100.12

Finding the Fourth Proportional to 27,728.92, 38,255.04 and 17,100.12

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Solution

The fourth proportional to 27,728.92, 38,255.04 and 17,100.12 is: 23,591.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,728.92 : 38,255.04 = 17,100.12 : x
  2. Step 2: Convert to fraction form
    27,728.92/38,255.04 = 17,100.12/x
  3. Step 3: Cross multiply
    27,728.92x = 38,255.04 × 17,100.12
  4. Step 4: Simplify right side
    27,728.92x = 654,165,774.60
  5. Step 5: Solve for x
    x = 654,165,774.60/27,728.92
  6. Step 6: Final answer
    x = 23,591.46

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Half scale
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Double scale
Find fourth proportional to 27,729.92, 38,256.42 and 17,101.12
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.