Home / 27,807.49-38,375.54-15,871.74

Finding the Fourth Proportional to 27,807.49, 38,375.54 and 15,871.74

Calculator

Solution

The fourth proportional to 27,807.49, 38,375.54 and 15,871.74 is: 21,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.49 : 38,375.54 = 15,871.74 : x
  2. Step 2: Convert to fraction form
    27,807.49/38,375.54 = 15,871.74/x
  3. Step 3: Cross multiply
    27,807.49x = 38,375.54 × 15,871.74
  4. Step 4: Simplify right side
    27,807.49x = 609,086,593.24
  5. Step 5: Solve for x
    x = 609,086,593.24/27,807.49
  6. Step 6: Final answer
    x = 21,903.69

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.