Home / 44.88-67.28-28.81

Finding the Fourth Proportional to 44.88, 67.28 and 28.81

Calculator

Solution

The fourth proportional to 44.88, 67.28 and 28.81 is: 43.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.88 : 67.28 = 28.81 : x
  2. Step 2: Convert to fraction form
    44.88/67.28 = 28.81/x
  3. Step 3: Cross multiply
    44.88x = 67.28 × 28.81
  4. Step 4: Simplify right side
    44.88x = 1,938.34
  5. Step 5: Solve for x
    x = 1,938.34/44.88
  6. Step 6: Final answer
    x = 43.19

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.