Home / 28,144.68-38,843.32-16,208.52

Finding the Fourth Proportional to 28,144.68, 38,843.32 and 16,208.52

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Solution

The fourth proportional to 28,144.68, 38,843.32 and 16,208.52 is: 22,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,144.68 : 38,843.32 = 16,208.52 : x
  2. Step 2: Convert to fraction form
    28,144.68/38,843.32 = 16,208.52/x
  3. Step 3: Cross multiply
    28,144.68x = 38,843.32 × 16,208.52
  4. Step 4: Simplify right side
    28,144.68x = 629,592,729.09
  5. Step 5: Solve for x
    x = 629,592,729.09/28,144.68
  6. Step 6: Final answer
    x = 22,369.87

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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.