Home / 28,845.10-39,806.40-16,270.66

Finding the Fourth Proportional to 28,845.10, 39,806.40 and 16,270.66

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Solution

The fourth proportional to 28,845.10, 39,806.40 and 16,270.66 is: 22,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.10 : 39,806.40 = 16,270.66 : x
  2. Step 2: Convert to fraction form
    28,845.10/39,806.40 = 16,270.66/x
  3. Step 3: Cross multiply
    28,845.10x = 39,806.40 × 16,270.66
  4. Step 4: Simplify right side
    28,845.10x = 647,676,400.22
  5. Step 5: Solve for x
    x = 647,676,400.22/28,845.10
  6. Step 6: Final answer
    x = 22,453.60

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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.