Home / 20,015.25-27,623.48-11,631.75

Finding the Fourth Proportional to 20,015.25, 27,623.48 and 11,631.75

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Solution

The fourth proportional to 20,015.25, 27,623.48 and 11,631.75 is: 16,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.25 : 27,623.48 = 11,631.75 : x
  2. Step 2: Convert to fraction form
    20,015.25/27,623.48 = 11,631.75/x
  3. Step 3: Cross multiply
    20,015.25x = 27,623.48 × 11,631.75
  4. Step 4: Simplify right side
    20,015.25x = 321,309,355.33
  5. Step 5: Solve for x
    x = 321,309,355.33/20,015.25
  6. Step 6: Final answer
    x = 16,053.23

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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.