Home / 28,606.83-39,481.29-16,673.91

Finding the Fourth Proportional to 28,606.83, 39,481.29 and 16,673.91

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Solution

The fourth proportional to 28,606.83, 39,481.29 and 16,673.91 is: 23,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.83 : 39,481.29 = 16,673.91 : x
  2. Step 2: Convert to fraction form
    28,606.83/39,481.29 = 16,673.91/x
  3. Step 3: Cross multiply
    28,606.83x = 39,481.29 × 16,673.91
  4. Step 4: Simplify right side
    28,606.83x = 658,307,476.14
  5. Step 5: Solve for x
    x = 658,307,476.14/28,606.83
  6. Step 6: Final answer
    x = 23,012.25

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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.