Home / 21,872.74-32,814.34-7,081.68

Finding the Fourth Proportional to 21,872.74, 32,814.34 and 7,081.68

Calculator

Solution

The fourth proportional to 21,872.74, 32,814.34 and 7,081.68 is: 10,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872.74 : 32,814.34 = 7,081.68 : x
  2. Step 2: Convert to fraction form
    21,872.74/32,814.34 = 7,081.68/x
  3. Step 3: Cross multiply
    21,872.74x = 32,814.34 × 7,081.68
  4. Step 4: Simplify right side
    21,872.74x = 232,380,590.96
  5. Step 5: Solve for x
    x = 232,380,590.96/21,872.74
  6. Step 6: Final answer
    x = 10,624.21

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.