Home / 20,015.51-27,620.75-11,062.98

Finding the Fourth Proportional to 20,015.51, 27,620.75 and 11,062.98

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Solution

The fourth proportional to 20,015.51, 27,620.75 and 11,062.98 is: 15,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.51 : 27,620.75 = 11,062.98 : x
  2. Step 2: Convert to fraction form
    20,015.51/27,620.75 = 11,062.98/x
  3. Step 3: Cross multiply
    20,015.51x = 27,620.75 × 11,062.98
  4. Step 4: Simplify right side
    20,015.51x = 305,567,770.26
  5. Step 5: Solve for x
    x = 305,567,770.26/20,015.51
  6. Step 6: Final answer
    x = 15,266.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.