Home / 27.76-41.58-27.08

Finding the Fourth Proportional to 27.76, 41.58 and 27.08

Calculator

Solution

The fourth proportional to 27.76, 41.58 and 27.08 is: 40.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.76 : 41.58 = 27.08 : x
  2. Step 2: Convert to fraction form
    27.76/41.58 = 27.08/x
  3. Step 3: Cross multiply
    27.76x = 41.58 × 27.08
  4. Step 4: Simplify right side
    27.76x = 1,125.99
  5. Step 5: Solve for x
    x = 1,125.99/27.76
  6. Step 6: Final answer
    x = 40.56

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.