Home / 27.36-41.12-20.32

Finding the Fourth Proportional to 27.36, 41.12 and 20.32

Calculator

Solution

The fourth proportional to 27.36, 41.12 and 20.32 is: 30.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.36 : 41.12 = 20.32 : x
  2. Step 2: Convert to fraction form
    27.36/41.12 = 20.32/x
  3. Step 3: Cross multiply
    27.36x = 41.12 × 20.32
  4. Step 4: Simplify right side
    27.36x = 835.56
  5. Step 5: Solve for x
    x = 835.56/27.36
  6. Step 6: Final answer
    x = 30.54

Related Problems

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.