Home / 27,896.96-41,846.88-7,120.64

Finding the Fourth Proportional to 27,896.96, 41,846.88 and 7,120.64

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Solution

The fourth proportional to 27,896.96, 41,846.88 and 7,120.64 is: 10,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.96 : 41,846.88 = 7,120.64 : x
  2. Step 2: Convert to fraction form
    27,896.96/41,846.88 = 7,120.64/x
  3. Step 3: Cross multiply
    27,896.96x = 41,846.88 × 7,120.64
  4. Step 4: Simplify right side
    27,896.96x = 297,976,567.60
  5. Step 5: Solve for x
    x = 297,976,567.60/27,896.96
  6. Step 6: Final answer
    x = 10,681.33

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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.