Home / 28,634.25-39,515.29-16,059

Finding the Fourth Proportional to 28,634.25, 39,515.29 and 16,059

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Solution

The fourth proportional to 28,634.25, 39,515.29 and 16,059 is: 22,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.25 : 39,515.29 = 16,059 : x
  2. Step 2: Convert to fraction form
    28,634.25/39,515.29 = 16,059/x
  3. Step 3: Cross multiply
    28,634.25x = 39,515.29 × 16,059
  4. Step 4: Simplify right side
    28,634.25x = 634,576,001.96
  5. Step 5: Solve for x
    x = 634,576,001.96/28,634.25
  6. Step 6: Final answer
    x = 22,161.43

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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.