Home / 72.72-109.10-24.63

Finding the Fourth Proportional to 72.72, 109.10 and 24.63

Calculator

Solution

The fourth proportional to 72.72, 109.10 and 24.63 is: 36.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.72 : 109.10 = 24.63 : x
  2. Step 2: Convert to fraction form
    72.72/109.10 = 24.63/x
  3. Step 3: Cross multiply
    72.72x = 109.10 × 24.63
  4. Step 4: Simplify right side
    72.72x = 2,687.13
  5. Step 5: Solve for x
    x = 2,687.13/72.72
  6. Step 6: Final answer
    x = 36.95

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.