Home / 27,629.19-41,442.75-7,907.70

Finding the Fourth Proportional to 27,629.19, 41,442.75 and 7,907.70

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Solution

The fourth proportional to 27,629.19, 41,442.75 and 7,907.70 is: 11,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.19 : 41,442.75 = 7,907.70 : x
  2. Step 2: Convert to fraction form
    27,629.19/41,442.75 = 7,907.70/x
  3. Step 3: Cross multiply
    27,629.19x = 41,442.75 × 7,907.70
  4. Step 4: Simplify right side
    27,629.19x = 327,716,834.18
  5. Step 5: Solve for x
    x = 327,716,834.18/27,629.19
  6. Step 6: Final answer
    x = 11,861.25

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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.