Home / 27,734.91-38,274.19-15,159.66

Finding the Fourth Proportional to 27,734.91, 38,274.19 and 15,159.66

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Solution

The fourth proportional to 27,734.91, 38,274.19 and 15,159.66 is: 20,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.91 : 38,274.19 = 15,159.66 : x
  2. Step 2: Convert to fraction form
    27,734.91/38,274.19 = 15,159.66/x
  3. Step 3: Cross multiply
    27,734.91x = 38,274.19 × 15,159.66
  4. Step 4: Simplify right side
    27,734.91x = 580,223,525.75
  5. Step 5: Solve for x
    x = 580,223,525.75/27,734.91
  6. Step 6: Final answer
    x = 20,920.33

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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.