Home / 28,544.44-39,390.98-15,796.66

Finding the Fourth Proportional to 28,544.44, 39,390.98 and 15,796.66

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Solution

The fourth proportional to 28,544.44, 39,390.98 and 15,796.66 is: 21,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.44 : 39,390.98 = 15,796.66 : x
  2. Step 2: Convert to fraction form
    28,544.44/39,390.98 = 15,796.66/x
  3. Step 3: Cross multiply
    28,544.44x = 39,390.98 × 15,796.66
  4. Step 4: Simplify right side
    28,544.44x = 622,245,918.13
  5. Step 5: Solve for x
    x = 622,245,918.13/28,544.44
  6. Step 6: Final answer
    x = 21,799.20

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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.