Home / 26,690.72-40,040.73-11,899.31

Finding the Fourth Proportional to 26,690.72, 40,040.73 and 11,899.31

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Solution

The fourth proportional to 26,690.72, 40,040.73 and 11,899.31 is: 17,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.72 : 40,040.73 = 11,899.31 : x
  2. Step 2: Convert to fraction form
    26,690.72/40,040.73 = 11,899.31/x
  3. Step 3: Cross multiply
    26,690.72x = 40,040.73 × 11,899.31
  4. Step 4: Simplify right side
    26,690.72x = 476,456,858.69
  5. Step 5: Solve for x
    x = 476,456,858.69/26,690.72
  6. Step 6: Final answer
    x = 17,851.03

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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.