Home / 27,731.46-38,269.35-15,156.30

Finding the Fourth Proportional to 27,731.46, 38,269.35 and 15,156.30

Calculator

Solution

The fourth proportional to 27,731.46, 38,269.35 and 15,156.30 is: 20,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.46 : 38,269.35 = 15,156.30 : x
  2. Step 2: Convert to fraction form
    27,731.46/38,269.35 = 15,156.30/x
  3. Step 3: Cross multiply
    27,731.46x = 38,269.35 × 15,156.30
  4. Step 4: Simplify right side
    27,731.46x = 580,021,749.41
  5. Step 5: Solve for x
    x = 580,021,749.41/27,731.46
  6. Step 6: Final answer
    x = 20,915.66

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.