Home / 24.30-36.48-18.96

Finding the Fourth Proportional to 24.30, 36.48 and 18.96

Calculator

Solution

The fourth proportional to 24.30, 36.48 and 18.96 is: 28.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.30 : 36.48 = 18.96 : x
  2. Step 2: Convert to fraction form
    24.30/36.48 = 18.96/x
  3. Step 3: Cross multiply
    24.30x = 36.48 × 18.96
  4. Step 4: Simplify right side
    24.30x = 691.66
  5. Step 5: Solve for x
    x = 691.66/24.30
  6. Step 6: Final answer
    x = 28.46

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.