Home / 26,619.24-39,954.83-21,986.45

Finding the Fourth Proportional to 26,619.24, 39,954.83 and 21,986.45

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Solution

The fourth proportional to 26,619.24, 39,954.83 and 21,986.45 is: 33,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.24 : 39,954.83 = 21,986.45 : x
  2. Step 2: Convert to fraction form
    26,619.24/39,954.83 = 21,986.45/x
  3. Step 3: Cross multiply
    26,619.24x = 39,954.83 × 21,986.45
  4. Step 4: Simplify right side
    26,619.24x = 878,464,644.80
  5. Step 5: Solve for x
    x = 878,464,644.80/26,619.24
  6. Step 6: Final answer
    x = 33,001.12

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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.