Home / 27,701.29-41,485.71-15,978.97

Finding the Fourth Proportional to 27,701.29, 41,485.71 and 15,978.97

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Solution

The fourth proportional to 27,701.29, 41,485.71 and 15,978.97 is: 23,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.29 : 41,485.71 = 15,978.97 : x
  2. Step 2: Convert to fraction form
    27,701.29/41,485.71 = 15,978.97/x
  3. Step 3: Cross multiply
    27,701.29x = 41,485.71 × 15,978.97
  4. Step 4: Simplify right side
    27,701.29x = 662,898,915.52
  5. Step 5: Solve for x
    x = 662,898,915.52/27,701.29
  6. Step 6: Final answer
    x = 23,930.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.