Home / 28,913.20-43,369.80-17,832.40

Finding the Fourth Proportional to 28,913.20, 43,369.80 and 17,832.40

Calculator

Solution

The fourth proportional to 28,913.20, 43,369.80 and 17,832.40 is: 26,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.20 : 43,369.80 = 17,832.40 : x
  2. Step 2: Convert to fraction form
    28,913.20/43,369.80 = 17,832.40/x
  3. Step 3: Cross multiply
    28,913.20x = 43,369.80 × 17,832.40
  4. Step 4: Simplify right side
    28,913.20x = 773,387,621.52
  5. Step 5: Solve for x
    x = 773,387,621.52/28,913.20
  6. Step 6: Final answer
    x = 26,748.60

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.