Home / 27,928.41-38,540.15-15,992.87

Finding the Fourth Proportional to 27,928.41, 38,540.15 and 15,992.87

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Solution

The fourth proportional to 27,928.41, 38,540.15 and 15,992.87 is: 22,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.41 : 38,540.15 = 15,992.87 : x
  2. Step 2: Convert to fraction form
    27,928.41/38,540.15 = 15,992.87/x
  3. Step 3: Cross multiply
    27,928.41x = 38,540.15 × 15,992.87
  4. Step 4: Simplify right side
    27,928.41x = 616,367,336.07
  5. Step 5: Solve for x
    x = 616,367,336.07/27,928.41
  6. Step 6: Final answer
    x = 22,069.55

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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.