Home / 19,212.96-28,810.80-18,608.16

Finding the Fourth Proportional to 19,212.96, 28,810.80 and 18,608.16

Calculator

Solution

The fourth proportional to 19,212.96, 28,810.80 and 18,608.16 is: 27,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.96 : 28,810.80 = 18,608.16 : x
  2. Step 2: Convert to fraction form
    19,212.96/28,810.80 = 18,608.16/x
  3. Step 3: Cross multiply
    19,212.96x = 28,810.80 × 18,608.16
  4. Step 4: Simplify right side
    19,212.96x = 536,115,976.13
  5. Step 5: Solve for x
    x = 536,115,976.13/19,212.96
  6. Step 6: Final answer
    x = 27,903.87

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.