Home / 28,895.97-39,849.75-22,181.88

Finding the Fourth Proportional to 28,895.97, 39,849.75 and 22,181.88

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Solution

The fourth proportional to 28,895.97, 39,849.75 and 22,181.88 is: 30,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.97 : 39,849.75 = 22,181.88 : x
  2. Step 2: Convert to fraction form
    28,895.97/39,849.75 = 22,181.88/x
  3. Step 3: Cross multiply
    28,895.97x = 39,849.75 × 22,181.88
  4. Step 4: Simplify right side
    28,895.97x = 883,942,372.53
  5. Step 5: Solve for x
    x = 883,942,372.53/28,895.97
  6. Step 6: Final answer
    x = 30,590.51

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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.