Home / 20,753.73-28,640.11-11,322.29

Finding the Fourth Proportional to 20,753.73, 28,640.11 and 11,322.29

Calculator

Solution

The fourth proportional to 20,753.73, 28,640.11 and 11,322.29 is: 15,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753.73 : 28,640.11 = 11,322.29 : x
  2. Step 2: Convert to fraction form
    20,753.73/28,640.11 = 11,322.29/x
  3. Step 3: Cross multiply
    20,753.73x = 28,640.11 × 11,322.29
  4. Step 4: Simplify right side
    20,753.73x = 324,271,631.05
  5. Step 5: Solve for x
    x = 324,271,631.05/20,753.73
  6. Step 6: Final answer
    x = 15,624.74

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.