Home / 28,141.75-38,832.24-16,208.97

Finding the Fourth Proportional to 28,141.75, 38,832.24 and 16,208.97

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Solution

The fourth proportional to 28,141.75, 38,832.24 and 16,208.97 is: 22,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141.75 : 38,832.24 = 16,208.97 : x
  2. Step 2: Convert to fraction form
    28,141.75/38,832.24 = 16,208.97/x
  3. Step 3: Cross multiply
    28,141.75x = 38,832.24 × 16,208.97
  4. Step 4: Simplify right side
    28,141.75x = 629,430,613.19
  5. Step 5: Solve for x
    x = 629,430,613.19/28,141.75
  6. Step 6: Final answer
    x = 22,366.43

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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.