Home / 27,680.36-38,197.62-15,104.84

Finding the Fourth Proportional to 27,680.36, 38,197.62 and 15,104.84

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Solution

The fourth proportional to 27,680.36, 38,197.62 and 15,104.84 is: 20,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.36 : 38,197.62 = 15,104.84 : x
  2. Step 2: Convert to fraction form
    27,680.36/38,197.62 = 15,104.84/x
  3. Step 3: Cross multiply
    27,680.36x = 38,197.62 × 15,104.84
  4. Step 4: Simplify right side
    27,680.36x = 576,968,938.48
  5. Step 5: Solve for x
    x = 576,968,938.48/27,680.36
  6. Step 6: Final answer
    x = 20,843.98

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Half scale
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Double scale
Find fourth proportional to 27,681.36, 38,199 and 15,105.84
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.