Home / 29.25-40.32-21.04

Finding the Fourth Proportional to 29.25, 40.32 and 21.04

Calculator

Solution

The fourth proportional to 29.25, 40.32 and 21.04 is: 29.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.25 : 40.32 = 21.04 : x
  2. Step 2: Convert to fraction form
    29.25/40.32 = 21.04/x
  3. Step 3: Cross multiply
    29.25x = 40.32 × 21.04
  4. Step 4: Simplify right side
    29.25x = 848.23
  5. Step 5: Solve for x
    x = 848.23/29.25
  6. Step 6: Final answer
    x = 29.00

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.