Home / 28.39-39.09-24.73

Finding the Fourth Proportional to 28.39, 39.09 and 24.73

Calculator

Solution

The fourth proportional to 28.39, 39.09 and 24.73 is: 34.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.39 : 39.09 = 24.73 : x
  2. Step 2: Convert to fraction form
    28.39/39.09 = 24.73/x
  3. Step 3: Cross multiply
    28.39x = 39.09 × 24.73
  4. Step 4: Simplify right side
    28.39x = 966.70
  5. Step 5: Solve for x
    x = 966.70/28.39
  6. Step 6: Final answer
    x = 34.05

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.