Home / 72.65-108.99-24.59

Finding the Fourth Proportional to 72.65, 108.99 and 24.59

Calculator

Solution

The fourth proportional to 72.65, 108.99 and 24.59 is: 36.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.65 : 108.99 = 24.59 : x
  2. Step 2: Convert to fraction form
    72.65/108.99 = 24.59/x
  3. Step 3: Cross multiply
    72.65x = 108.99 × 24.59
  4. Step 4: Simplify right side
    72.65x = 2,679.52
  5. Step 5: Solve for x
    x = 2,679.52/72.65
  6. Step 6: Final answer
    x = 36.89

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.