Home / 21,636.20-32,457.85-6,642.95

Finding the Fourth Proportional to 21,636.20, 32,457.85 and 6,642.95

Calculator

Solution

The fourth proportional to 21,636.20, 32,457.85 and 6,642.95 is: 9,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636.20 : 32,457.85 = 6,642.95 : x
  2. Step 2: Convert to fraction form
    21,636.20/32,457.85 = 6,642.95/x
  3. Step 3: Cross multiply
    21,636.20x = 32,457.85 × 6,642.95
  4. Step 4: Simplify right side
    21,636.20x = 215,615,695.76
  5. Step 5: Solve for x
    x = 215,615,695.76/21,636.20
  6. Step 6: Final answer
    x = 9,965.51

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.