Home / 27,406.46-37,789.38-20,246.73

Finding the Fourth Proportional to 27,406.46, 37,789.38 and 20,246.73

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Solution

The fourth proportional to 27,406.46, 37,789.38 and 20,246.73 is: 27,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.46 : 37,789.38 = 20,246.73 : x
  2. Step 2: Convert to fraction form
    27,406.46/37,789.38 = 20,246.73/x
  3. Step 3: Cross multiply
    27,406.46x = 37,789.38 × 20,246.73
  4. Step 4: Simplify right side
    27,406.46x = 765,111,373.73
  5. Step 5: Solve for x
    x = 765,111,373.73/27,406.46
  6. Step 6: Final answer
    x = 27,917.20

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Half scale
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Double scale
Find fourth proportional to 27,407.46, 37,790.76 and 20,247.73
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.