Home / 38.36-57.51-14.31

Finding the Fourth Proportional to 38.36, 57.51 and 14.31

Calculator

Solution

The fourth proportional to 38.36, 57.51 and 14.31 is: 21.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.36 : 57.51 = 14.31 : x
  2. Step 2: Convert to fraction form
    38.36/57.51 = 14.31/x
  3. Step 3: Cross multiply
    38.36x = 57.51 × 14.31
  4. Step 4: Simplify right side
    38.36x = 822.97
  5. Step 5: Solve for x
    x = 822.97/38.36
  6. Step 6: Final answer
    x = 21.46

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.