Home / 39.58-54.62-25.77

Finding the Fourth Proportional to 39.58, 54.62 and 25.77

Calculator

Solution

The fourth proportional to 39.58, 54.62 and 25.77 is: 35.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.58 : 54.62 = 25.77 : x
  2. Step 2: Convert to fraction form
    39.58/54.62 = 25.77/x
  3. Step 3: Cross multiply
    39.58x = 54.62 × 25.77
  4. Step 4: Simplify right side
    39.58x = 1,407.56
  5. Step 5: Solve for x
    x = 1,407.56/39.58
  6. Step 6: Final answer
    x = 35.56

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.