Home / 27,555.36-38,026.84-15,618.44

Finding the Fourth Proportional to 27,555.36, 38,026.84 and 15,618.44

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Solution

The fourth proportional to 27,555.36, 38,026.84 and 15,618.44 is: 21,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.36 : 38,026.84 = 15,618.44 : x
  2. Step 2: Convert to fraction form
    27,555.36/38,026.84 = 15,618.44/x
  3. Step 3: Cross multiply
    27,555.36x = 38,026.84 × 15,618.44
  4. Step 4: Simplify right side
    27,555.36x = 593,919,918.93
  5. Step 5: Solve for x
    x = 593,919,918.93/27,555.36
  6. Step 6: Final answer
    x = 21,553.70

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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.