Home / 27,728.73-38,265.93-15,153.48

Finding the Fourth Proportional to 27,728.73, 38,265.93 and 15,153.48

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Solution

The fourth proportional to 27,728.73, 38,265.93 and 15,153.48 is: 20,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,728.73 : 38,265.93 = 15,153.48 : x
  2. Step 2: Convert to fraction form
    27,728.73/38,265.93 = 15,153.48/x
  3. Step 3: Cross multiply
    27,728.73x = 38,265.93 × 15,153.48
  4. Step 4: Simplify right side
    27,728.73x = 579,862,004.94
  5. Step 5: Solve for x
    x = 579,862,004.94/27,728.73
  6. Step 6: Final answer
    x = 20,911.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.