Home / 27,937.20-41,905.80-18,095.70

Finding the Fourth Proportional to 27,937.20, 41,905.80 and 18,095.70

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Solution

The fourth proportional to 27,937.20, 41,905.80 and 18,095.70 is: 27,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,937.20 : 41,905.80 = 18,095.70 : x
  2. Step 2: Convert to fraction form
    27,937.20/41,905.80 = 18,095.70/x
  3. Step 3: Cross multiply
    27,937.20x = 41,905.80 × 18,095.70
  4. Step 4: Simplify right side
    27,937.20x = 758,314,785.06
  5. Step 5: Solve for x
    x = 758,314,785.06/27,937.20
  6. Step 6: Final answer
    x = 27,143.55

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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.