Home / 21.30-32.00-17.93

Finding the Fourth Proportional to 21.30, 32.00 and 17.93

Calculator

Solution

The fourth proportional to 21.30, 32.00 and 17.93 is: 26.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21.30 : 32.00 = 17.93 : x
  2. Step 2: Convert to fraction form
    21.30/32.00 = 17.93/x
  3. Step 3: Cross multiply
    21.30x = 32.00 × 17.93
  4. Step 4: Simplify right side
    21.30x = 573.51
  5. Step 5: Solve for x
    x = 573.51/21.30
  6. Step 6: Final answer
    x = 26.93

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.