Home / 27,379.38-37,789.44-17,301.42

Finding the Fourth Proportional to 27,379.38, 37,789.44 and 17,301.42

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Solution

The fourth proportional to 27,379.38, 37,789.44 and 17,301.42 is: 23,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.38 : 37,789.44 = 17,301.42 : x
  2. Step 2: Convert to fraction form
    27,379.38/37,789.44 = 17,301.42/x
  3. Step 3: Cross multiply
    27,379.38x = 37,789.44 × 17,301.42
  4. Step 4: Simplify right side
    27,379.38x = 653,810,973.00
  5. Step 5: Solve for x
    x = 653,810,973.00/27,379.38
  6. Step 6: Final answer
    x = 23,879.69

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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.