Home / 20,975.52-31,455.79-6,932.96

Finding the Fourth Proportional to 20,975.52, 31,455.79 and 6,932.96

Calculator

Solution

The fourth proportional to 20,975.52, 31,455.79 and 6,932.96 is: 10,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,975.52 : 31,455.79 = 6,932.96 : x
  2. Step 2: Convert to fraction form
    20,975.52/31,455.79 = 6,932.96/x
  3. Step 3: Cross multiply
    20,975.52x = 31,455.79 × 6,932.96
  4. Step 4: Simplify right side
    20,975.52x = 218,081,541.89
  5. Step 5: Solve for x
    x = 218,081,541.89/20,975.52
  6. Step 6: Final answer
    x = 10,396.96

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.