Home / 28,607.25-39,480.45-16,034.43

Finding the Fourth Proportional to 28,607.25, 39,480.45 and 16,034.43

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Solution

The fourth proportional to 28,607.25, 39,480.45 and 16,034.43 is: 22,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607.25 : 39,480.45 = 16,034.43 : x
  2. Step 2: Convert to fraction form
    28,607.25/39,480.45 = 16,034.43/x
  3. Step 3: Cross multiply
    28,607.25x = 39,480.45 × 16,034.43
  4. Step 4: Simplify right side
    28,607.25x = 633,046,511.89
  5. Step 5: Solve for x
    x = 633,046,511.89/28,607.25
  6. Step 6: Final answer
    x = 22,128.88

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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.