Home / 72.99-109.47-24.89

Finding the Fourth Proportional to 72.99, 109.47 and 24.89

Calculator

Solution

The fourth proportional to 72.99, 109.47 and 24.89 is: 37.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.99 : 109.47 = 24.89 : x
  2. Step 2: Convert to fraction form
    72.99/109.47 = 24.89/x
  3. Step 3: Cross multiply
    72.99x = 109.47 × 24.89
  4. Step 4: Simplify right side
    72.99x = 2,724.16
  5. Step 5: Solve for x
    x = 2,724.16/72.99
  6. Step 6: Final answer
    x = 37.32

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.