Home / 28,799.75-39,745.70-16,224.50

Finding the Fourth Proportional to 28,799.75, 39,745.70 and 16,224.50

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Solution

The fourth proportional to 28,799.75, 39,745.70 and 16,224.50 is: 22,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.75 : 39,745.70 = 16,224.50 : x
  2. Step 2: Convert to fraction form
    28,799.75/39,745.70 = 16,224.50/x
  3. Step 3: Cross multiply
    28,799.75x = 39,745.70 × 16,224.50
  4. Step 4: Simplify right side
    28,799.75x = 644,854,028.53
  5. Step 5: Solve for x
    x = 644,854,028.53/28,799.75
  6. Step 6: Final answer
    x = 22,390.96

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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.