Home / 27,738.90-41,601.60-8,015.40

Finding the Fourth Proportional to 27,738.90, 41,601.60 and 8,015.40

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Solution

The fourth proportional to 27,738.90, 41,601.60 and 8,015.40 is: 12,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,738.90 : 41,601.60 = 8,015.40 : x
  2. Step 2: Convert to fraction form
    27,738.90/41,601.60 = 8,015.40/x
  3. Step 3: Cross multiply
    27,738.90x = 41,601.60 × 8,015.40
  4. Step 4: Simplify right side
    27,738.90x = 333,453,464.64
  5. Step 5: Solve for x
    x = 333,453,464.64/27,738.90
  6. Step 6: Final answer
    x = 12,021.15

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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.