Home / 28,312.18-39,043.96-18,604.56

Finding the Fourth Proportional to 28,312.18, 39,043.96 and 18,604.56

Calculator

Solution

The fourth proportional to 28,312.18, 39,043.96 and 18,604.56 is: 25,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.18 : 39,043.96 = 18,604.56 : x
  2. Step 2: Convert to fraction form
    28,312.18/39,043.96 = 18,604.56/x
  3. Step 3: Cross multiply
    28,312.18x = 39,043.96 × 18,604.56
  4. Step 4: Simplify right side
    28,312.18x = 726,395,501.24
  5. Step 5: Solve for x
    x = 726,395,501.24/28,312.18
  6. Step 6: Final answer
    x = 25,656.64

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.