Home / 20,112.41-27,767.35-15,627.70

Finding the Fourth Proportional to 20,112.41, 27,767.35 and 15,627.70

Calculator

Solution

The fourth proportional to 20,112.41, 27,767.35 and 15,627.70 is: 21,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112.41 : 27,767.35 = 15,627.70 : x
  2. Step 2: Convert to fraction form
    20,112.41/27,767.35 = 15,627.70/x
  3. Step 3: Cross multiply
    20,112.41x = 27,767.35 × 15,627.70
  4. Step 4: Simplify right side
    20,112.41x = 433,939,815.60
  5. Step 5: Solve for x
    x = 433,939,815.60/20,112.41
  6. Step 6: Final answer
    x = 21,575.72

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.