Home / 27,897.12-41,845.62-7,120.62

Finding the Fourth Proportional to 27,897.12, 41,845.62 and 7,120.62

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Solution

The fourth proportional to 27,897.12, 41,845.62 and 7,120.62 is: 10,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.12 : 41,845.62 = 7,120.62 : x
  2. Step 2: Convert to fraction form
    27,897.12/41,845.62 = 7,120.62/x
  3. Step 3: Cross multiply
    27,897.12x = 41,845.62 × 7,120.62
  4. Step 4: Simplify right side
    27,897.12x = 297,966,758.68
  5. Step 5: Solve for x
    x = 297,966,758.68/27,897.12
  6. Step 6: Final answer
    x = 10,680.91

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1.5x scale

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.