Home / 20,175.44-27,845.52-11,677.80

Finding the Fourth Proportional to 20,175.44, 27,845.52 and 11,677.80

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Solution

The fourth proportional to 20,175.44, 27,845.52 and 11,677.80 is: 16,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.44 : 27,845.52 = 11,677.80 : x
  2. Step 2: Convert to fraction form
    20,175.44/27,845.52 = 11,677.80/x
  3. Step 3: Cross multiply
    20,175.44x = 27,845.52 × 11,677.80
  4. Step 4: Simplify right side
    20,175.44x = 325,174,413.46
  5. Step 5: Solve for x
    x = 325,174,413.46/20,175.44
  6. Step 6: Final answer
    x = 16,117.34

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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.