Home / 27,925.57-38,540.33-15,992.83

Finding the Fourth Proportional to 27,925.57, 38,540.33 and 15,992.83

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Solution

The fourth proportional to 27,925.57, 38,540.33 and 15,992.83 is: 22,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.57 : 38,540.33 = 15,992.83 : x
  2. Step 2: Convert to fraction form
    27,925.57/38,540.33 = 15,992.83/x
  3. Step 3: Cross multiply
    27,925.57x = 38,540.33 × 15,992.83
  4. Step 4: Simplify right side
    27,925.57x = 616,368,945.83
  5. Step 5: Solve for x
    x = 616,368,945.83/27,925.57
  6. Step 6: Final answer
    x = 22,071.85

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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.