Home / 16.48-22.76-15.47

Finding the Fourth Proportional to 16.48, 22.76 and 15.47

Calculator

Solution

The fourth proportional to 16.48, 22.76 and 15.47 is: 21.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.48 : 22.76 = 15.47 : x
  2. Step 2: Convert to fraction form
    16.48/22.76 = 15.47/x
  3. Step 3: Cross multiply
    16.48x = 22.76 × 15.47
  4. Step 4: Simplify right side
    16.48x = 352.10
  5. Step 5: Solve for x
    x = 352.10/16.48
  6. Step 6: Final answer
    x = 21.37

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.