Home / 28,893.97-39,846.99-22,179.88

Finding the Fourth Proportional to 28,893.97, 39,846.99 and 22,179.88

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Solution

The fourth proportional to 28,893.97, 39,846.99 and 22,179.88 is: 30,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.97 : 39,846.99 = 22,179.88 : x
  2. Step 2: Convert to fraction form
    28,893.97/39,846.99 = 22,179.88/x
  3. Step 3: Cross multiply
    28,893.97x = 39,846.99 × 22,179.88
  4. Step 4: Simplify right side
    28,893.97x = 883,801,356.94
  5. Step 5: Solve for x
    x = 883,801,356.94/28,893.97
  6. Step 6: Final answer
    x = 30,587.75

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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.