Home / 28,839.36-39,796.80-16,092

Finding the Fourth Proportional to 28,839.36, 39,796.80 and 16,092

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Solution

The fourth proportional to 28,839.36, 39,796.80 and 16,092 is: 22,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.36 : 39,796.80 = 16,092 : x
  2. Step 2: Convert to fraction form
    28,839.36/39,796.80 = 16,092/x
  3. Step 3: Cross multiply
    28,839.36x = 39,796.80 × 16,092
  4. Step 4: Simplify right side
    28,839.36x = 640,410,105.60
  5. Step 5: Solve for x
    x = 640,410,105.60/28,839.36
  6. Step 6: Final answer
    x = 22,206.11

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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.