Home / 27,927.41-38,541.57-15,990.44

Finding the Fourth Proportional to 27,927.41, 38,541.57 and 15,990.44

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Solution

The fourth proportional to 27,927.41, 38,541.57 and 15,990.44 is: 22,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.41 : 38,541.57 = 15,990.44 : x
  2. Step 2: Convert to fraction form
    27,927.41/38,541.57 = 15,990.44/x
  3. Step 3: Cross multiply
    27,927.41x = 38,541.57 × 15,990.44
  4. Step 4: Simplify right side
    27,927.41x = 616,296,662.59
  5. Step 5: Solve for x
    x = 616,296,662.59/27,927.41
  6. Step 6: Final answer
    x = 22,067.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.