Home / 28,800.27-39,745.22-16,862.49

Finding the Fourth Proportional to 28,800.27, 39,745.22 and 16,862.49

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Solution

The fourth proportional to 28,800.27, 39,745.22 and 16,862.49 is: 23,270.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.27 : 39,745.22 = 16,862.49 : x
  2. Step 2: Convert to fraction form
    28,800.27/39,745.22 = 16,862.49/x
  3. Step 3: Cross multiply
    28,800.27x = 39,745.22 × 16,862.49
  4. Step 4: Simplify right side
    28,800.27x = 670,203,290.49
  5. Step 5: Solve for x
    x = 670,203,290.49/28,800.27
  6. Step 6: Final answer
    x = 23,270.73

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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.