Home / 29,278.89-40,404.88-15,850.14

Finding the Fourth Proportional to 29,278.89, 40,404.88 and 15,850.14

Calculator

Solution

The fourth proportional to 29,278.89, 40,404.88 and 15,850.14 is: 21,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.89 : 40,404.88 = 15,850.14 : x
  2. Step 2: Convert to fraction form
    29,278.89/40,404.88 = 15,850.14/x
  3. Step 3: Cross multiply
    29,278.89x = 40,404.88 × 15,850.14
  4. Step 4: Simplify right side
    29,278.89x = 640,423,077.97
  5. Step 5: Solve for x
    x = 640,423,077.97/29,278.89
  6. Step 6: Final answer
    x = 21,873.20

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.