Home / 19,326.87-28,990.58-5,475.87

Finding the Fourth Proportional to 19,326.87, 28,990.58 and 5,475.87

Calculator

Solution

The fourth proportional to 19,326.87, 28,990.58 and 5,475.87 is: 8,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.87 : 28,990.58 = 5,475.87 : x
  2. Step 2: Convert to fraction form
    19,326.87/28,990.58 = 5,475.87/x
  3. Step 3: Cross multiply
    19,326.87x = 28,990.58 × 5,475.87
  4. Step 4: Simplify right side
    19,326.87x = 158,748,619.93
  5. Step 5: Solve for x
    x = 158,748,619.93/19,326.87
  6. Step 6: Final answer
    x = 8,213.88

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.