Home / 27,654.57-38,163.20-15,079.32

Finding the Fourth Proportional to 27,654.57, 38,163.20 and 15,079.32

Calculator

Solution

The fourth proportional to 27,654.57, 38,163.20 and 15,079.32 is: 20,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.57 : 38,163.20 = 15,079.32 : x
  2. Step 2: Convert to fraction form
    27,654.57/38,163.20 = 15,079.32/x
  3. Step 3: Cross multiply
    27,654.57x = 38,163.20 × 15,079.32
  4. Step 4: Simplify right side
    27,654.57x = 575,475,029.63
  5. Step 5: Solve for x
    x = 575,475,029.63/27,654.57
  6. Step 6: Final answer
    x = 20,809.40

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.