Home / 22.01-32.79-20.63

Finding the Fourth Proportional to 22.01, 32.79 and 20.63

Calculator

Solution

The fourth proportional to 22.01, 32.79 and 20.63 is: 30.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.01 : 32.79 = 20.63 : x
  2. Step 2: Convert to fraction form
    22.01/32.79 = 20.63/x
  3. Step 3: Cross multiply
    22.01x = 32.79 × 20.63
  4. Step 4: Simplify right side
    22.01x = 676.22
  5. Step 5: Solve for x
    x = 676.22/22.01
  6. Step 6: Final answer
    x = 30.73

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.