Home / 29,278.92-40,390.03-17,790.76

Finding the Fourth Proportional to 29,278.92, 40,390.03 and 17,790.76

Calculator

Solution

The fourth proportional to 29,278.92, 40,390.03 and 17,790.76 is: 24,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.92 : 40,390.03 = 17,790.76 : x
  2. Step 2: Convert to fraction form
    29,278.92/40,390.03 = 17,790.76/x
  3. Step 3: Cross multiply
    29,278.92x = 40,390.03 × 17,790.76
  4. Step 4: Simplify right side
    29,278.92x = 718,569,330.12
  5. Step 5: Solve for x
    x = 718,569,330.12/29,278.92
  6. Step 6: Final answer
    x = 24,542.21

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.