Home / 27,771.39-38,324.31-15,196.14

Finding the Fourth Proportional to 27,771.39, 38,324.31 and 15,196.14

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Solution

The fourth proportional to 27,771.39, 38,324.31 and 15,196.14 is: 20,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,771.39 : 38,324.31 = 15,196.14 : x
  2. Step 2: Convert to fraction form
    27,771.39/38,324.31 = 15,196.14/x
  3. Step 3: Cross multiply
    27,771.39x = 38,324.31 × 15,196.14
  4. Step 4: Simplify right side
    27,771.39x = 582,381,580.16
  5. Step 5: Solve for x
    x = 582,381,580.16/27,771.39
  6. Step 6: Final answer
    x = 20,970.56

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Double 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.