Home / 27,805.56-38,370.42-15,230.04

Finding the Fourth Proportional to 27,805.56, 38,370.42 and 15,230.04

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Solution

The fourth proportional to 27,805.56, 38,370.42 and 15,230.04 is: 21,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.56 : 38,370.42 = 15,230.04 : x
  2. Step 2: Convert to fraction form
    27,805.56/38,370.42 = 15,230.04/x
  3. Step 3: Cross multiply
    27,805.56x = 38,370.42 × 15,230.04
  4. Step 4: Simplify right side
    27,805.56x = 584,383,031.42
  5. Step 5: Solve for x
    x = 584,383,031.42/27,805.56
  6. Step 6: Final answer
    x = 21,016.77

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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.