Home / 28,131.77-38,821.38-15,556.52

Finding the Fourth Proportional to 28,131.77, 38,821.38 and 15,556.52

Calculator

Solution

The fourth proportional to 28,131.77, 38,821.38 and 15,556.52 is: 21,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,131.77 : 38,821.38 = 15,556.52 : x
  2. Step 2: Convert to fraction form
    28,131.77/38,821.38 = 15,556.52/x
  3. Step 3: Cross multiply
    28,131.77x = 38,821.38 × 15,556.52
  4. Step 4: Simplify right side
    28,131.77x = 603,925,613.11
  5. Step 5: Solve for x
    x = 603,925,613.11/28,131.77
  6. Step 6: Final answer
    x = 21,467.74

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.