Home / 19,939.26-27,515.16-10,986.54

Finding the Fourth Proportional to 19,939.26, 27,515.16 and 10,986.54

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Solution

The fourth proportional to 19,939.26, 27,515.16 and 10,986.54 is: 15,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.26 : 27,515.16 = 10,986.54 : x
  2. Step 2: Convert to fraction form
    19,939.26/27,515.16 = 10,986.54/x
  3. Step 3: Cross multiply
    19,939.26x = 27,515.16 × 10,986.54
  4. Step 4: Simplify right side
    19,939.26x = 302,296,405.95
  5. Step 5: Solve for x
    x = 302,296,405.95/19,939.26
  6. Step 6: Final answer
    x = 15,160.86

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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.