Home / 22,618.59-31,229.84-15,082.70

Finding the Fourth Proportional to 22,618.59, 31,229.84 and 15,082.70

Calculator

Solution

The fourth proportional to 22,618.59, 31,229.84 and 15,082.70 is: 20,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.59 : 31,229.84 = 15,082.70 : x
  2. Step 2: Convert to fraction form
    22,618.59/31,229.84 = 15,082.70/x
  3. Step 3: Cross multiply
    22,618.59x = 31,229.84 × 15,082.70
  4. Step 4: Simplify right side
    22,618.59x = 471,030,076.21
  5. Step 5: Solve for x
    x = 471,030,076.21/22,618.59
  6. Step 6: Final answer
    x = 20,824.91

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.