Home / 27,618.90-41,429.67-7,900.35

Finding the Fourth Proportional to 27,618.90, 41,429.67 and 7,900.35

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Solution

The fourth proportional to 27,618.90, 41,429.67 and 7,900.35 is: 11,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.90 : 41,429.67 = 7,900.35 : x
  2. Step 2: Convert to fraction form
    27,618.90/41,429.67 = 7,900.35/x
  3. Step 3: Cross multiply
    27,618.90x = 41,429.67 × 7,900.35
  4. Step 4: Simplify right side
    27,618.90x = 327,308,893.38
  5. Step 5: Solve for x
    x = 327,308,893.38/27,618.90
  6. Step 6: Final answer
    x = 11,850.90

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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.