Home / 56.18-84.27-21.96

Finding the Fourth Proportional to 56.18, 84.27 and 21.96

Calculator

Solution

The fourth proportional to 56.18, 84.27 and 21.96 is: 32.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.18 : 84.27 = 21.96 : x
  2. Step 2: Convert to fraction form
    56.18/84.27 = 21.96/x
  3. Step 3: Cross multiply
    56.18x = 84.27 × 21.96
  4. Step 4: Simplify right side
    56.18x = 1,850.57
  5. Step 5: Solve for x
    x = 1,850.57/56.18
  6. Step 6: Final answer
    x = 32.94

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.