Home / 28,800.96-39,745.26-16,225.62

Finding the Fourth Proportional to 28,800.96, 39,745.26 and 16,225.62

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Solution

The fourth proportional to 28,800.96, 39,745.26 and 16,225.62 is: 22,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.96 : 39,745.26 = 16,225.62 : x
  2. Step 2: Convert to fraction form
    28,800.96/39,745.26 = 16,225.62/x
  3. Step 3: Cross multiply
    28,800.96x = 39,745.26 × 16,225.62
  4. Step 4: Simplify right side
    28,800.96x = 644,891,485.56
  5. Step 5: Solve for x
    x = 644,891,485.56/28,800.96
  6. Step 6: Final answer
    x = 22,391.32

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1.5x scale

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.