Home / 27,622.38-38,118.69-15,047.13

Finding the Fourth Proportional to 27,622.38, 38,118.69 and 15,047.13

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Solution

The fourth proportional to 27,622.38, 38,118.69 and 15,047.13 is: 20,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,622.38 : 38,118.69 = 15,047.13 : x
  2. Step 2: Convert to fraction form
    27,622.38/38,118.69 = 15,047.13/x
  3. Step 3: Cross multiply
    27,622.38x = 38,118.69 × 15,047.13
  4. Step 4: Simplify right side
    27,622.38x = 573,576,883.86
  5. Step 5: Solve for x
    x = 573,576,883.86/27,622.38
  6. Step 6: Final answer
    x = 20,764.93

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Half scale
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Double scale
Find fourth proportional to 27,623.38, 38,120.07 and 15,048.13
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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.