Home / 27,832.35-38,408.66-15,085.65

Finding the Fourth Proportional to 27,832.35, 38,408.66 and 15,085.65

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Solution

The fourth proportional to 27,832.35, 38,408.66 and 15,085.65 is: 20,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,832.35 : 38,408.66 = 15,085.65 : x
  2. Step 2: Convert to fraction form
    27,832.35/38,408.66 = 15,085.65/x
  3. Step 3: Cross multiply
    27,832.35x = 38,408.66 × 15,085.65
  4. Step 4: Simplify right side
    27,832.35x = 579,419,601.73
  5. Step 5: Solve for x
    x = 579,419,601.73/27,832.35
  6. Step 6: Final answer
    x = 20,818.21

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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.