Home / 28,893.47-39,846.30-22,179.38

Finding the Fourth Proportional to 28,893.47, 39,846.30 and 22,179.38

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Solution

The fourth proportional to 28,893.47, 39,846.30 and 22,179.38 is: 30,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.47 : 39,846.30 = 22,179.38 : x
  2. Step 2: Convert to fraction form
    28,893.47/39,846.30 = 22,179.38/x
  3. Step 3: Cross multiply
    28,893.47x = 39,846.30 × 22,179.38
  4. Step 4: Simplify right side
    28,893.47x = 883,766,229.29
  5. Step 5: Solve for x
    x = 883,766,229.29/28,893.47
  6. Step 6: Final answer
    x = 30,587.06

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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.