Home / 27,450.72-37,879.92-15,514.08

Finding the Fourth Proportional to 27,450.72, 37,879.92 and 15,514.08

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Solution

The fourth proportional to 27,450.72, 37,879.92 and 15,514.08 is: 21,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,450.72 : 37,879.92 = 15,514.08 : x
  2. Step 2: Convert to fraction form
    27,450.72/37,879.92 = 15,514.08/x
  3. Step 3: Cross multiply
    27,450.72x = 37,879.92 × 15,514.08
  4. Step 4: Simplify right side
    27,450.72x = 587,672,109.27
  5. Step 5: Solve for x
    x = 587,672,109.27/27,450.72
  6. Step 6: Final answer
    x = 21,408.26

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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.