Home / 36.92-55.29-18.84

Finding the Fourth Proportional to 36.92, 55.29 and 18.84

Calculator

Solution

The fourth proportional to 36.92, 55.29 and 18.84 is: 28.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.92 : 55.29 = 18.84 : x
  2. Step 2: Convert to fraction form
    36.92/55.29 = 18.84/x
  3. Step 3: Cross multiply
    36.92x = 55.29 × 18.84
  4. Step 4: Simplify right side
    36.92x = 1,041.94
  5. Step 5: Solve for x
    x = 1,041.94/36.92
  6. Step 6: Final answer
    x = 28.22

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.