Home / 20,017.36-27,619.68-11,629.36

Finding the Fourth Proportional to 20,017.36, 27,619.68 and 11,629.36

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Solution

The fourth proportional to 20,017.36, 27,619.68 and 11,629.36 is: 16,046.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.36 : 27,619.68 = 11,629.36 : x
  2. Step 2: Convert to fraction form
    20,017.36/27,619.68 = 11,629.36/x
  3. Step 3: Cross multiply
    20,017.36x = 27,619.68 × 11,629.36
  4. Step 4: Simplify right side
    20,017.36x = 321,199,201.80
  5. Step 5: Solve for x
    x = 321,199,201.80/20,017.36
  6. Step 6: Final answer
    x = 16,046.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.