Home / 28,845.75-39,808.35-16,270.50

Finding the Fourth Proportional to 28,845.75, 39,808.35 and 16,270.50

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Solution

The fourth proportional to 28,845.75, 39,808.35 and 16,270.50 is: 22,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.75 : 39,808.35 = 16,270.50 : x
  2. Step 2: Convert to fraction form
    28,845.75/39,808.35 = 16,270.50/x
  3. Step 3: Cross multiply
    28,845.75x = 39,808.35 × 16,270.50
  4. Step 4: Simplify right side
    28,845.75x = 647,701,758.68
  5. Step 5: Solve for x
    x = 647,701,758.68/28,845.75
  6. Step 6: Final answer
    x = 22,453.98

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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.