Home / 28,175.70-38,884.26-15,600.42

Finding the Fourth Proportional to 28,175.70, 38,884.26 and 15,600.42

Calculator

Solution

The fourth proportional to 28,175.70, 38,884.26 and 15,600.42 is: 21,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.70 : 38,884.26 = 15,600.42 : x
  2. Step 2: Convert to fraction form
    28,175.70/38,884.26 = 15,600.42/x
  3. Step 3: Cross multiply
    28,175.70x = 38,884.26 × 15,600.42
  4. Step 4: Simplify right side
    28,175.70x = 606,610,787.39
  5. Step 5: Solve for x
    x = 606,610,787.39/28,175.70
  6. Step 6: Final answer
    x = 21,529.57

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.