Home / 27,927.21-38,541.47-15,351.96

Finding the Fourth Proportional to 27,927.21, 38,541.47 and 15,351.96

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Solution

The fourth proportional to 27,927.21, 38,541.47 and 15,351.96 is: 21,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.21 : 38,541.47 = 15,351.96 : x
  2. Step 2: Convert to fraction form
    27,927.21/38,541.47 = 15,351.96/x
  3. Step 3: Cross multiply
    27,927.21x = 38,541.47 × 15,351.96
  4. Step 4: Simplify right side
    27,927.21x = 591,687,029.02
  5. Step 5: Solve for x
    x = 591,687,029.02/27,927.21
  6. Step 6: Final answer
    x = 21,186.76

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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.