Home / 20,741.40-28,676.43-18,084.60

Finding the Fourth Proportional to 20,741.40, 28,676.43 and 18,084.60

Calculator

Solution

The fourth proportional to 20,741.40, 28,676.43 and 18,084.60 is: 25,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.40 : 28,676.43 = 18,084.60 : x
  2. Step 2: Convert to fraction form
    20,741.40/28,676.43 = 18,084.60/x
  3. Step 3: Cross multiply
    20,741.40x = 28,676.43 × 18,084.60
  4. Step 4: Simplify right side
    20,741.40x = 518,601,765.98
  5. Step 5: Solve for x
    x = 518,601,765.98/20,741.40
  6. Step 6: Final answer
    x = 25,003.22

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.