Home / 26.62-36.72-18.87

Finding the Fourth Proportional to 26.62, 36.72 and 18.87

Calculator

Solution

The fourth proportional to 26.62, 36.72 and 18.87 is: 26.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.62 : 36.72 = 18.87 : x
  2. Step 2: Convert to fraction form
    26.62/36.72 = 18.87/x
  3. Step 3: Cross multiply
    26.62x = 36.72 × 18.87
  4. Step 4: Simplify right side
    26.62x = 692.91
  5. Step 5: Solve for x
    x = 692.91/26.62
  6. Step 6: Final answer
    x = 26.03

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.