Home / 35.80-49.40-27.16

Finding the Fourth Proportional to 35.80, 49.40 and 27.16

Calculator

Solution

The fourth proportional to 35.80, 49.40 and 27.16 is: 37.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.80 : 49.40 = 27.16 : x
  2. Step 2: Convert to fraction form
    35.80/49.40 = 27.16/x
  3. Step 3: Cross multiply
    35.80x = 49.40 × 27.16
  4. Step 4: Simplify right side
    35.80x = 1,341.70
  5. Step 5: Solve for x
    x = 1,341.70/35.80
  6. Step 6: Final answer
    x = 37.48

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.