Home / 27,759.06-38,306.79-15,183

Finding the Fourth Proportional to 27,759.06, 38,306.79 and 15,183

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Solution

The fourth proportional to 27,759.06, 38,306.79 and 15,183 is: 20,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.06 : 38,306.79 = 15,183 : x
  2. Step 2: Convert to fraction form
    27,759.06/38,306.79 = 15,183/x
  3. Step 3: Cross multiply
    27,759.06x = 38,306.79 × 15,183
  4. Step 4: Simplify right side
    27,759.06x = 581,611,992.57
  5. Step 5: Solve for x
    x = 581,611,992.57/27,759.06
  6. Step 6: Final answer
    x = 20,952.15

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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.