Home / 27,084.54-40,627.70-9,315.02

Finding the Fourth Proportional to 27,084.54, 40,627.70 and 9,315.02

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Solution

The fourth proportional to 27,084.54, 40,627.70 and 9,315.02 is: 13,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,084.54 : 40,627.70 = 9,315.02 : x
  2. Step 2: Convert to fraction form
    27,084.54/40,627.70 = 9,315.02/x
  3. Step 3: Cross multiply
    27,084.54x = 40,627.70 × 9,315.02
  4. Step 4: Simplify right side
    27,084.54x = 378,447,791.48
  5. Step 5: Solve for x
    x = 378,447,791.48/27,084.54
  6. Step 6: Final answer
    x = 13,972.83

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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.