Home / 20,227.08-27,902.34-12,671.78

Finding the Fourth Proportional to 20,227.08, 27,902.34 and 12,671.78

Calculator

Solution

The fourth proportional to 20,227.08, 27,902.34 and 12,671.78 is: 17,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.08 : 27,902.34 = 12,671.78 : x
  2. Step 2: Convert to fraction form
    20,227.08/27,902.34 = 12,671.78/x
  3. Step 3: Cross multiply
    20,227.08x = 27,902.34 × 12,671.78
  4. Step 4: Simplify right side
    20,227.08x = 353,572,313.97
  5. Step 5: Solve for x
    x = 353,572,313.97/20,227.08
  6. Step 6: Final answer
    x = 17,480.15

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.