Home / 28,992.87-40,006.98-17,059.95

Finding the Fourth Proportional to 28,992.87, 40,006.98 and 17,059.95

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Solution

The fourth proportional to 28,992.87, 40,006.98 and 17,059.95 is: 23,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.87 : 40,006.98 = 17,059.95 : x
  2. Step 2: Convert to fraction form
    28,992.87/40,006.98 = 17,059.95/x
  3. Step 3: Cross multiply
    28,992.87x = 40,006.98 × 17,059.95
  4. Step 4: Simplify right side
    28,992.87x = 682,517,078.45
  5. Step 5: Solve for x
    x = 682,517,078.45/28,992.87
  6. Step 6: Final answer
    x = 23,540.86

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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.