Home / 24.48-33.84-18.72

Finding the Fourth Proportional to 24.48, 33.84 and 18.72

Calculator

Solution

The fourth proportional to 24.48, 33.84 and 18.72 is: 25.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.48 : 33.84 = 18.72 : x
  2. Step 2: Convert to fraction form
    24.48/33.84 = 18.72/x
  3. Step 3: Cross multiply
    24.48x = 33.84 × 18.72
  4. Step 4: Simplify right side
    24.48x = 633.48
  5. Step 5: Solve for x
    x = 633.48/24.48
  6. Step 6: Final answer
    x = 25.88

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.