Home / 28,829.88-39,784.34-16,083.38

Finding the Fourth Proportional to 28,829.88, 39,784.34 and 16,083.38

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Solution

The fourth proportional to 28,829.88, 39,784.34 and 16,083.38 is: 22,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.88 : 39,784.34 = 16,083.38 : x
  2. Step 2: Convert to fraction form
    28,829.88/39,784.34 = 16,083.38/x
  3. Step 3: Cross multiply
    28,829.88x = 39,784.34 × 16,083.38
  4. Step 4: Simplify right side
    28,829.88x = 639,866,378.93
  5. Step 5: Solve for x
    x = 639,866,378.93/28,829.88
  6. Step 6: Final answer
    x = 22,194.56

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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.