Home / 20,652.32-28,500.32-11,220.96

Finding the Fourth Proportional to 20,652.32, 28,500.32 and 11,220.96

Calculator

Solution

The fourth proportional to 20,652.32, 28,500.32 and 11,220.96 is: 15,484.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,652.32 : 28,500.32 = 11,220.96 : x
  2. Step 2: Convert to fraction form
    20,652.32/28,500.32 = 11,220.96/x
  3. Step 3: Cross multiply
    20,652.32x = 28,500.32 × 11,220.96
  4. Step 4: Simplify right side
    20,652.32x = 319,800,950.71
  5. Step 5: Solve for x
    x = 319,800,950.71/20,652.32
  6. Step 6: Final answer
    x = 15,484.99

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.