Home / 27,688.58-38,209.98-15,113.34

Finding the Fourth Proportional to 27,688.58, 38,209.98 and 15,113.34

Calculator

Solution

The fourth proportional to 27,688.58, 38,209.98 and 15,113.34 is: 20,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.58 : 38,209.98 = 15,113.34 : x
  2. Step 2: Convert to fraction form
    27,688.58/38,209.98 = 15,113.34/x
  3. Step 3: Cross multiply
    27,688.58x = 38,209.98 × 15,113.34
  4. Step 4: Simplify right side
    27,688.58x = 577,480,419.13
  5. Step 5: Solve for x
    x = 577,480,419.13/27,688.58
  6. Step 6: Final answer
    x = 20,856.27

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.