Home / 27,849.25-38,433.79-15,274

Finding the Fourth Proportional to 27,849.25, 38,433.79 and 15,274

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Solution

The fourth proportional to 27,849.25, 38,433.79 and 15,274 is: 21,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,849.25 : 38,433.79 = 15,274 : x
  2. Step 2: Convert to fraction form
    27,849.25/38,433.79 = 15,274/x
  3. Step 3: Cross multiply
    27,849.25x = 38,433.79 × 15,274
  4. Step 4: Simplify right side
    27,849.25x = 587,037,670.28
  5. Step 5: Solve for x
    x = 587,037,670.28/27,849.25
  6. Step 6: Final answer
    x = 21,079.12

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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.