Home / 28,550.57-39,399.58-16,446.63

Finding the Fourth Proportional to 28,550.57, 39,399.58 and 16,446.63

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Solution

The fourth proportional to 28,550.57, 39,399.58 and 16,446.63 is: 22,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.57 : 39,399.58 = 16,446.63 : x
  2. Step 2: Convert to fraction form
    28,550.57/39,399.58 = 16,446.63/x
  3. Step 3: Cross multiply
    28,550.57x = 39,399.58 × 16,446.63
  4. Step 4: Simplify right side
    28,550.57x = 647,990,273.30
  5. Step 5: Solve for x
    x = 647,990,273.30/28,550.57
  6. Step 6: Final answer
    x = 22,696.23

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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.