Home / 27,992.22-42,012.81-11,361.30

Finding the Fourth Proportional to 27,992.22, 42,012.81 and 11,361.30

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Solution

The fourth proportional to 27,992.22, 42,012.81 and 11,361.30 is: 17,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.22 : 42,012.81 = 11,361.30 : x
  2. Step 2: Convert to fraction form
    27,992.22/42,012.81 = 11,361.30/x
  3. Step 3: Cross multiply
    27,992.22x = 42,012.81 × 11,361.30
  4. Step 4: Simplify right side
    27,992.22x = 477,320,138.25
  5. Step 5: Solve for x
    x = 477,320,138.25/27,992.22
  6. Step 6: Final answer
    x = 17,051.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.