Home / 27,777.89-38,332.49-15,845.06

Finding the Fourth Proportional to 27,777.89, 38,332.49 and 15,845.06

Calculator

Solution

The fourth proportional to 27,777.89, 38,332.49 and 15,845.06 is: 21,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.89 : 38,332.49 = 15,845.06 : x
  2. Step 2: Convert to fraction form
    27,777.89/38,332.49 = 15,845.06/x
  3. Step 3: Cross multiply
    27,777.89x = 38,332.49 × 15,845.06
  4. Step 4: Simplify right side
    27,777.89x = 607,380,451.95
  5. Step 5: Solve for x
    x = 607,380,451.95/27,777.89
  6. Step 6: Final answer
    x = 21,865.61

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.