Home / 36.40-50.28-27.88

Finding the Fourth Proportional to 36.40, 50.28 and 27.88

Calculator

Solution

The fourth proportional to 36.40, 50.28 and 27.88 is: 38.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.40 : 50.28 = 27.88 : x
  2. Step 2: Convert to fraction form
    36.40/50.28 = 27.88/x
  3. Step 3: Cross multiply
    36.40x = 50.28 × 27.88
  4. Step 4: Simplify right side
    36.40x = 1,401.81
  5. Step 5: Solve for x
    x = 1,401.81/36.40
  6. Step 6: Final answer
    x = 38.51

Related Problems

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.