Home / 25,508.28-35,202.23-15,438.57

Finding the Fourth Proportional to 25,508.28, 35,202.23 and 15,438.57

Calculator

Solution

The fourth proportional to 25,508.28, 35,202.23 and 15,438.57 is: 21,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,508.28 : 35,202.23 = 15,438.57 : x
  2. Step 2: Convert to fraction form
    25,508.28/35,202.23 = 15,438.57/x
  3. Step 3: Cross multiply
    25,508.28x = 35,202.23 × 15,438.57
  4. Step 4: Simplify right side
    25,508.28x = 543,472,092.01
  5. Step 5: Solve for x
    x = 543,472,092.01/25,508.28
  6. Step 6: Final answer
    x = 21,305.71

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.