Home / 28,323.30-39,083.82-16,679.66

Finding the Fourth Proportional to 28,323.30, 39,083.82 and 16,679.66

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Solution

The fourth proportional to 28,323.30, 39,083.82 and 16,679.66 is: 23,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.30 : 39,083.82 = 16,679.66 : x
  2. Step 2: Convert to fraction form
    28,323.30/39,083.82 = 16,679.66/x
  3. Step 3: Cross multiply
    28,323.30x = 39,083.82 × 16,679.66
  4. Step 4: Simplify right side
    28,323.30x = 651,904,829.10
  5. Step 5: Solve for x
    x = 651,904,829.10/28,323.30
  6. Step 6: Final answer
    x = 23,016.56

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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.