Home / 43.86-65.80-16.82

Finding the Fourth Proportional to 43.86, 65.80 and 16.82

Calculator

Solution

The fourth proportional to 43.86, 65.80 and 16.82 is: 25.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.86 : 65.80 = 16.82 : x
  2. Step 2: Convert to fraction form
    43.86/65.80 = 16.82/x
  3. Step 3: Cross multiply
    43.86x = 65.80 × 16.82
  4. Step 4: Simplify right side
    43.86x = 1,106.76
  5. Step 5: Solve for x
    x = 1,106.76/43.86
  6. Step 6: Final answer
    x = 25.23

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.