Home / 27,935.74-38,540.33-15,992.64

Finding the Fourth Proportional to 27,935.74, 38,540.33 and 15,992.64

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Solution

The fourth proportional to 27,935.74, 38,540.33 and 15,992.64 is: 22,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.74 : 38,540.33 = 15,992.64 : x
  2. Step 2: Convert to fraction form
    27,935.74/38,540.33 = 15,992.64/x
  3. Step 3: Cross multiply
    27,935.74x = 38,540.33 × 15,992.64
  4. Step 4: Simplify right side
    27,935.74x = 616,361,623.17
  5. Step 5: Solve for x
    x = 616,361,623.17/27,935.74
  6. Step 6: Final answer
    x = 22,063.55

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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.