Home / 27,797.78-38,360.66-15,050.75

Finding the Fourth Proportional to 27,797.78, 38,360.66 and 15,050.75

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Solution

The fourth proportional to 27,797.78, 38,360.66 and 15,050.75 is: 20,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,797.78 : 38,360.66 = 15,050.75 : x
  2. Step 2: Convert to fraction form
    27,797.78/38,360.66 = 15,050.75/x
  3. Step 3: Cross multiply
    27,797.78x = 38,360.66 × 15,050.75
  4. Step 4: Simplify right side
    27,797.78x = 577,356,436.44
  5. Step 5: Solve for x
    x = 577,356,436.44/27,797.78
  6. Step 6: Final answer
    x = 20,769.87

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Half scale
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Double scale
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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.