Home / 25.66-38.40-23.08

Finding the Fourth Proportional to 25.66, 38.40 and 23.08

Calculator

Solution

The fourth proportional to 25.66, 38.40 and 23.08 is: 34.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.66 : 38.40 = 23.08 : x
  2. Step 2: Convert to fraction form
    25.66/38.40 = 23.08/x
  3. Step 3: Cross multiply
    25.66x = 38.40 × 23.08
  4. Step 4: Simplify right side
    25.66x = 886.27
  5. Step 5: Solve for x
    x = 886.27/25.66
  6. Step 6: Final answer
    x = 34.54

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.