Home / 28,682.88-39,578.08-16,105.20

Finding the Fourth Proportional to 28,682.88, 39,578.08 and 16,105.20

Calculator

Solution

The fourth proportional to 28,682.88, 39,578.08 and 16,105.20 is: 22,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.88 : 39,578.08 = 16,105.20 : x
  2. Step 2: Convert to fraction form
    28,682.88/39,578.08 = 16,105.20/x
  3. Step 3: Cross multiply
    28,682.88x = 39,578.08 × 16,105.20
  4. Step 4: Simplify right side
    28,682.88x = 637,412,894.02
  5. Step 5: Solve for x
    x = 637,412,894.02/28,682.88
  6. Step 6: Final answer
    x = 22,222.76

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.