Home / 22,648.80-31,255.64-12,577.88

Finding the Fourth Proportional to 22,648.80, 31,255.64 and 12,577.88

Calculator

Solution

The fourth proportional to 22,648.80, 31,255.64 and 12,577.88 is: 17,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,648.80 : 31,255.64 = 12,577.88 : x
  2. Step 2: Convert to fraction form
    22,648.80/31,255.64 = 12,577.88/x
  3. Step 3: Cross multiply
    22,648.80x = 31,255.64 × 12,577.88
  4. Step 4: Simplify right side
    22,648.80x = 393,129,689.24
  5. Step 5: Solve for x
    x = 393,129,689.24/22,648.80
  6. Step 6: Final answer
    x = 17,357.64

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.