Home / 26.43-36.48-15.36

Finding the Fourth Proportional to 26.43, 36.48 and 15.36

Calculator

Solution

The fourth proportional to 26.43, 36.48 and 15.36 is: 21.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.43 : 36.48 = 15.36 : x
  2. Step 2: Convert to fraction form
    26.43/36.48 = 15.36/x
  3. Step 3: Cross multiply
    26.43x = 36.48 × 15.36
  4. Step 4: Simplify right side
    26.43x = 560.44
  5. Step 5: Solve for x
    x = 560.44/26.43
  6. Step 6: Final answer
    x = 21.20

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.