Home / 20,022.30-27,628.94-11,522.16

Finding the Fourth Proportional to 20,022.30, 27,628.94 and 11,522.16

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Solution

The fourth proportional to 20,022.30, 27,628.94 and 11,522.16 is: 15,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.30 : 27,628.94 = 11,522.16 : x
  2. Step 2: Convert to fraction form
    20,022.30/27,628.94 = 11,522.16/x
  3. Step 3: Cross multiply
    20,022.30x = 27,628.94 × 11,522.16
  4. Step 4: Simplify right side
    20,022.30x = 318,345,009.70
  5. Step 5: Solve for x
    x = 318,345,009.70/20,022.30
  6. Step 6: Final answer
    x = 15,899.52

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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.