Home / 21,976.18-30,325.14-13,022.24

Finding the Fourth Proportional to 21,976.18, 30,325.14 and 13,022.24

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Solution

The fourth proportional to 21,976.18, 30,325.14 and 13,022.24 is: 17,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.18 : 30,325.14 = 13,022.24 : x
  2. Step 2: Convert to fraction form
    21,976.18/30,325.14 = 13,022.24/x
  3. Step 3: Cross multiply
    21,976.18x = 30,325.14 × 13,022.24
  4. Step 4: Simplify right side
    21,976.18x = 394,901,099.49
  5. Step 5: Solve for x
    x = 394,901,099.49/21,976.18
  6. Step 6: Final answer
    x = 17,969.51

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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.