Home / 28,629.44-39,511.20-16,696.64

Finding the Fourth Proportional to 28,629.44, 39,511.20 and 16,696.64

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Solution

The fourth proportional to 28,629.44, 39,511.20 and 16,696.64 is: 23,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.44 : 39,511.20 = 16,696.64 : x
  2. Step 2: Convert to fraction form
    28,629.44/39,511.20 = 16,696.64/x
  3. Step 3: Cross multiply
    28,629.44x = 39,511.20 × 16,696.64
  4. Step 4: Simplify right side
    28,629.44x = 659,704,282.37
  5. Step 5: Solve for x
    x = 659,704,282.37/28,629.44
  6. Step 6: Final answer
    x = 23,042.86

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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.