Home / 20,359.92-30,504.81-15,915.85

Finding the Fourth Proportional to 20,359.92, 30,504.81 and 15,915.85

Calculator

Solution

The fourth proportional to 20,359.92, 30,504.81 and 15,915.85 is: 23,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.92 : 30,504.81 = 15,915.85 : x
  2. Step 2: Convert to fraction form
    20,359.92/30,504.81 = 15,915.85/x
  3. Step 3: Cross multiply
    20,359.92x = 30,504.81 × 15,915.85
  4. Step 4: Simplify right side
    20,359.92x = 485,509,980.24
  5. Step 5: Solve for x
    x = 485,509,980.24/20,359.92
  6. Step 6: Final answer
    x = 23,846.37

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.