Home / 27.69-41.54-8.43

Finding the Fourth Proportional to 27.69, 41.54 and 8.43

Calculator

Solution

The fourth proportional to 27.69, 41.54 and 8.43 is: 12.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.69 : 41.54 = 8.43 : x
  2. Step 2: Convert to fraction form
    27.69/41.54 = 8.43/x
  3. Step 3: Cross multiply
    27.69x = 41.54 × 8.43
  4. Step 4: Simplify right side
    27.69x = 350.18
  5. Step 5: Solve for x
    x = 350.18/27.69
  6. Step 6: Final answer
    x = 12.65

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.