Home / 27,315.73-37,696.42-15,379.50

Finding the Fourth Proportional to 27,315.73, 37,696.42 and 15,379.50

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Solution

The fourth proportional to 27,315.73, 37,696.42 and 15,379.50 is: 21,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.73 : 37,696.42 = 15,379.50 : x
  2. Step 2: Convert to fraction form
    27,315.73/37,696.42 = 15,379.50/x
  3. Step 3: Cross multiply
    27,315.73x = 37,696.42 × 15,379.50
  4. Step 4: Simplify right side
    27,315.73x = 579,752,091.39
  5. Step 5: Solve for x
    x = 579,752,091.39/27,315.73
  6. Step 6: Final answer
    x = 21,224.11

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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.