Home / 17,168.07-23,679.68-15,756.31

Finding the Fourth Proportional to 17,168.07, 23,679.68 and 15,756.31

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Solution

The fourth proportional to 17,168.07, 23,679.68 and 15,756.31 is: 21,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,168.07 : 23,679.68 = 15,756.31 : x
  2. Step 2: Convert to fraction form
    17,168.07/23,679.68 = 15,756.31/x
  3. Step 3: Cross multiply
    17,168.07x = 23,679.68 × 15,756.31
  4. Step 4: Simplify right side
    17,168.07x = 373,104,358.97
  5. Step 5: Solve for x
    x = 373,104,358.97/17,168.07
  6. Step 6: Final answer
    x = 21,732.46

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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.