Home / 27,992.79-38,627.17-17,235.95

Finding the Fourth Proportional to 27,992.79, 38,627.17 and 17,235.95

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Solution

The fourth proportional to 27,992.79, 38,627.17 and 17,235.95 is: 23,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.79 : 38,627.17 = 17,235.95 : x
  2. Step 2: Convert to fraction form
    27,992.79/38,627.17 = 17,235.95/x
  3. Step 3: Cross multiply
    27,992.79x = 38,627.17 × 17,235.95
  4. Step 4: Simplify right side
    27,992.79x = 665,775,734.54
  5. Step 5: Solve for x
    x = 665,775,734.54/27,992.79
  6. Step 6: Final answer
    x = 23,783.83

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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.