Home / 64.09-96.09-28

Finding the Fourth Proportional to 64.09, 96.09 and 28

Calculator

Solution

The fourth proportional to 64.09, 96.09 and 28 is: 41.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.09 : 96.09 = 28 : x
  2. Step 2: Convert to fraction form
    64.09/96.09 = 28/x
  3. Step 3: Cross multiply
    64.09x = 96.09 × 28
  4. Step 4: Simplify right side
    64.09x = 2,690.52
  5. Step 5: Solve for x
    x = 2,690.52/64.09
  6. Step 6: Final answer
    x = 41.98

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.