Home / 27,991.17-38,626.07-15,415.92

Finding the Fourth Proportional to 27,991.17, 38,626.07 and 15,415.92

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Solution

The fourth proportional to 27,991.17, 38,626.07 and 15,415.92 is: 21,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.17 : 38,626.07 = 15,415.92 : x
  2. Step 2: Convert to fraction form
    27,991.17/38,626.07 = 15,415.92/x
  3. Step 3: Cross multiply
    27,991.17x = 38,626.07 × 15,415.92
  4. Step 4: Simplify right side
    27,991.17x = 595,456,327.95
  5. Step 5: Solve for x
    x = 595,456,327.95/27,991.17
  6. Step 6: Final answer
    x = 21,273.01

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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.