Home / 28,801.12-39,740.97-16,223.44

Finding the Fourth Proportional to 28,801.12, 39,740.97 and 16,223.44

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Solution

The fourth proportional to 28,801.12, 39,740.97 and 16,223.44 is: 22,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.12 : 39,740.97 = 16,223.44 : x
  2. Step 2: Convert to fraction form
    28,801.12/39,740.97 = 16,223.44/x
  3. Step 3: Cross multiply
    28,801.12x = 39,740.97 × 16,223.44
  4. Step 4: Simplify right side
    28,801.12x = 644,735,142.98
  5. Step 5: Solve for x
    x = 644,735,142.98/28,801.12
  6. Step 6: Final answer
    x = 22,385.77

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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.