Home / 28,524.96-39,366-15,949.44

Finding the Fourth Proportional to 28,524.96, 39,366 and 15,949.44

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Solution

The fourth proportional to 28,524.96, 39,366 and 15,949.44 is: 22,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.96 : 39,366 = 15,949.44 : x
  2. Step 2: Convert to fraction form
    28,524.96/39,366 = 15,949.44/x
  3. Step 3: Cross multiply
    28,524.96x = 39,366 × 15,949.44
  4. Step 4: Simplify right side
    28,524.96x = 627,865,655.04
  5. Step 5: Solve for x
    x = 627,865,655.04/28,524.96
  6. Step 6: Final answer
    x = 22,011.10

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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.