Home / 20,043.15-27,661.60-11,545.59

Finding the Fourth Proportional to 20,043.15, 27,661.60 and 11,545.59

Calculator

Solution

The fourth proportional to 20,043.15, 27,661.60 and 11,545.59 is: 15,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.15 : 27,661.60 = 11,545.59 : x
  2. Step 2: Convert to fraction form
    20,043.15/27,661.60 = 11,545.59/x
  3. Step 3: Cross multiply
    20,043.15x = 27,661.60 × 11,545.59
  4. Step 4: Simplify right side
    20,043.15x = 319,369,454.91
  5. Step 5: Solve for x
    x = 319,369,454.91/20,043.15
  6. Step 6: Final answer
    x = 15,934.10

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.