Home / 23.58-32.52-21.18

Finding the Fourth Proportional to 23.58, 32.52 and 21.18

Calculator

Solution

The fourth proportional to 23.58, 32.52 and 21.18 is: 29.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.58 : 32.52 = 21.18 : x
  2. Step 2: Convert to fraction form
    23.58/32.52 = 21.18/x
  3. Step 3: Cross multiply
    23.58x = 32.52 × 21.18
  4. Step 4: Simplify right side
    23.58x = 688.77
  5. Step 5: Solve for x
    x = 688.77/23.58
  6. Step 6: Final answer
    x = 29.21

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.