Home / 19,879.15-27,425.46-11,376.72

Finding the Fourth Proportional to 19,879.15, 27,425.46 and 11,376.72

Calculator

Solution

The fourth proportional to 19,879.15, 27,425.46 and 11,376.72 is: 15,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.15 : 27,425.46 = 11,376.72 : x
  2. Step 2: Convert to fraction form
    19,879.15/27,425.46 = 11,376.72/x
  3. Step 3: Cross multiply
    19,879.15x = 27,425.46 × 11,376.72
  4. Step 4: Simplify right side
    19,879.15x = 312,011,779.29
  5. Step 5: Solve for x
    x = 312,011,779.29/19,879.15
  6. Step 6: Final answer
    x = 15,695.43

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.