Home / 27,620.38-41,426.42-8,897.94

Finding the Fourth Proportional to 27,620.38, 41,426.42 and 8,897.94

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Solution

The fourth proportional to 27,620.38, 41,426.42 and 8,897.94 is: 13,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.38 : 41,426.42 = 8,897.94 : x
  2. Step 2: Convert to fraction form
    27,620.38/41,426.42 = 8,897.94/x
  3. Step 3: Cross multiply
    27,620.38x = 41,426.42 × 8,897.94
  4. Step 4: Simplify right side
    27,620.38x = 368,609,799.57
  5. Step 5: Solve for x
    x = 368,609,799.57/27,620.38
  6. Step 6: Final answer
    x = 13,345.57

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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.