Home / 27,849.30-38,434.06-15,912.38

Finding the Fourth Proportional to 27,849.30, 38,434.06 and 15,912.38

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Solution

The fourth proportional to 27,849.30, 38,434.06 and 15,912.38 is: 21,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,849.30 : 38,434.06 = 15,912.38 : x
  2. Step 2: Convert to fraction form
    27,849.30/38,434.06 = 15,912.38/x
  3. Step 3: Cross multiply
    27,849.30x = 38,434.06 × 15,912.38
  4. Step 4: Simplify right side
    27,849.30x = 611,577,367.66
  5. Step 5: Solve for x
    x = 611,577,367.66/27,849.30
  6. Step 6: Final answer
    x = 21,960.24

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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.