Home / 25.74-35.40-25.06

Finding the Fourth Proportional to 25.74, 35.40 and 25.06

Calculator

Solution

The fourth proportional to 25.74, 35.40 and 25.06 is: 34.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.74 : 35.40 = 25.06 : x
  2. Step 2: Convert to fraction form
    25.74/35.40 = 25.06/x
  3. Step 3: Cross multiply
    25.74x = 35.40 × 25.06
  4. Step 4: Simplify right side
    25.74x = 887.12
  5. Step 5: Solve for x
    x = 887.12/25.74
  6. Step 6: Final answer
    x = 34.46

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.