Home / 28,795.15-39,740.53-16,049.49

Finding the Fourth Proportional to 28,795.15, 39,740.53 and 16,049.49

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Solution

The fourth proportional to 28,795.15, 39,740.53 and 16,049.49 is: 22,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.15 : 39,740.53 = 16,049.49 : x
  2. Step 2: Convert to fraction form
    28,795.15/39,740.53 = 16,049.49/x
  3. Step 3: Cross multiply
    28,795.15x = 39,740.53 × 16,049.49
  4. Step 4: Simplify right side
    28,795.15x = 637,815,348.45
  5. Step 5: Solve for x
    x = 637,815,348.45/28,795.15
  6. Step 6: Final answer
    x = 22,150.10

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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.