Home / 72.77-109.16-24.02

Finding the Fourth Proportional to 72.77, 109.16 and 24.02

Calculator

Solution

The fourth proportional to 72.77, 109.16 and 24.02 is: 36.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.77 : 109.16 = 24.02 : x
  2. Step 2: Convert to fraction form
    72.77/109.16 = 24.02/x
  3. Step 3: Cross multiply
    72.77x = 109.16 × 24.02
  4. Step 4: Simplify right side
    72.77x = 2,621.54
  5. Step 5: Solve for x
    x = 2,621.54/72.77
  6. Step 6: Final answer
    x = 36.02

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.