Home / 28,176.87-42,261.94-7,401.99

Finding the Fourth Proportional to 28,176.87, 42,261.94 and 7,401.99

Calculator

Solution

The fourth proportional to 28,176.87, 42,261.94 and 7,401.99 is: 11,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.87 : 42,261.94 = 7,401.99 : x
  2. Step 2: Convert to fraction form
    28,176.87/42,261.94 = 7,401.99/x
  3. Step 3: Cross multiply
    28,176.87x = 42,261.94 × 7,401.99
  4. Step 4: Simplify right side
    28,176.87x = 312,822,457.26
  5. Step 5: Solve for x
    x = 312,822,457.26/28,176.87
  6. Step 6: Final answer
    x = 11,102.10

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.