Home / 27,935.88-38,540.58-15,992.82

Finding the Fourth Proportional to 27,935.88, 38,540.58 and 15,992.82

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Solution

The fourth proportional to 27,935.88, 38,540.58 and 15,992.82 is: 22,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.88 : 38,540.58 = 15,992.82 : x
  2. Step 2: Convert to fraction form
    27,935.88/38,540.58 = 15,992.82/x
  3. Step 3: Cross multiply
    27,935.88x = 38,540.58 × 15,992.82
  4. Step 4: Simplify right side
    27,935.88x = 616,372,558.64
  5. Step 5: Solve for x
    x = 616,372,558.64/27,935.88
  6. Step 6: Final answer
    x = 22,063.83

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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.