Home / 25.11-34.56-23.40

Finding the Fourth Proportional to 25.11, 34.56 and 23.40

Calculator

Solution

The fourth proportional to 25.11, 34.56 and 23.40 is: 32.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.11 : 34.56 = 23.40 : x
  2. Step 2: Convert to fraction form
    25.11/34.56 = 23.40/x
  3. Step 3: Cross multiply
    25.11x = 34.56 × 23.40
  4. Step 4: Simplify right side
    25.11x = 808.70
  5. Step 5: Solve for x
    x = 808.70/25.11
  6. Step 6: Final answer
    x = 32.21

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.