Home / 27,905.78-41,858.74-6,845.92

Finding the Fourth Proportional to 27,905.78, 41,858.74 and 6,845.92

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Solution

The fourth proportional to 27,905.78, 41,858.74 and 6,845.92 is: 10,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.78 : 41,858.74 = 6,845.92 : x
  2. Step 2: Convert to fraction form
    27,905.78/41,858.74 = 6,845.92/x
  3. Step 3: Cross multiply
    27,905.78x = 41,858.74 × 6,845.92
  4. Step 4: Simplify right side
    27,905.78x = 286,561,585.34
  5. Step 5: Solve for x
    x = 286,561,585.34/27,905.78
  6. Step 6: Final answer
    x = 10,268.90

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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.