Home / 17.90-24.74-16.88

Finding the Fourth Proportional to 17.90, 24.74 and 16.88

Calculator

Solution

The fourth proportional to 17.90, 24.74 and 16.88 is: 23.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.90 : 24.74 = 16.88 : x
  2. Step 2: Convert to fraction form
    17.90/24.74 = 16.88/x
  3. Step 3: Cross multiply
    17.90x = 24.74 × 16.88
  4. Step 4: Simplify right side
    17.90x = 417.61
  5. Step 5: Solve for x
    x = 417.61/17.90
  6. Step 6: Final answer
    x = 23.33

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.