Home / 21.92-32.85-14.30

Finding the Fourth Proportional to 21.92, 32.85 and 14.30

Calculator

Solution

The fourth proportional to 21.92, 32.85 and 14.30 is: 21.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21.92 : 32.85 = 14.30 : x
  2. Step 2: Convert to fraction form
    21.92/32.85 = 14.30/x
  3. Step 3: Cross multiply
    21.92x = 32.85 × 14.30
  4. Step 4: Simplify right side
    21.92x = 469.59
  5. Step 5: Solve for x
    x = 469.59/21.92
  6. Step 6: Final answer
    x = 21.42

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.