Home / 17,169.30-23,681.39-15,757.56

Finding the Fourth Proportional to 17,169.30, 23,681.39 and 15,757.56

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Solution

The fourth proportional to 17,169.30, 23,681.39 and 15,757.56 is: 21,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,169.30 : 23,681.39 = 15,757.56 : x
  2. Step 2: Convert to fraction form
    17,169.30/23,681.39 = 15,757.56/x
  3. Step 3: Cross multiply
    17,169.30x = 23,681.39 × 15,757.56
  4. Step 4: Simplify right side
    17,169.30x = 373,160,845.02
  5. Step 5: Solve for x
    x = 373,160,845.02/17,169.30
  6. Step 6: Final answer
    x = 21,734.19

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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.