Home / 28,801.47-39,745.44-16,226.22

Finding the Fourth Proportional to 28,801.47, 39,745.44 and 16,226.22

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Solution

The fourth proportional to 28,801.47, 39,745.44 and 16,226.22 is: 22,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.47 : 39,745.44 = 16,226.22 : x
  2. Step 2: Convert to fraction form
    28,801.47/39,745.44 = 16,226.22/x
  3. Step 3: Cross multiply
    28,801.47x = 39,745.44 × 16,226.22
  4. Step 4: Simplify right side
    28,801.47x = 644,918,253.44
  5. Step 5: Solve for x
    x = 644,918,253.44/28,801.47
  6. Step 6: Final answer
    x = 22,391.85

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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.