Home / 28,799.25-39,745.01-16,224

Finding the Fourth Proportional to 28,799.25, 39,745.01 and 16,224

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Solution

The fourth proportional to 28,799.25, 39,745.01 and 16,224 is: 22,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.25 : 39,745.01 = 16,224 : x
  2. Step 2: Convert to fraction form
    28,799.25/39,745.01 = 16,224/x
  3. Step 3: Cross multiply
    28,799.25x = 39,745.01 × 16,224
  4. Step 4: Simplify right side
    28,799.25x = 644,822,961.12
  5. Step 5: Solve for x
    x = 644,822,961.12/28,799.25
  6. Step 6: Final answer
    x = 22,390.27

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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.