Home / 27,629.58-41,438.40-7,902.84

Finding the Fourth Proportional to 27,629.58, 41,438.40 and 7,902.84

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Solution

The fourth proportional to 27,629.58, 41,438.40 and 7,902.84 is: 11,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.58 : 41,438.40 = 7,902.84 : x
  2. Step 2: Convert to fraction form
    27,629.58/41,438.40 = 7,902.84/x
  3. Step 3: Cross multiply
    27,629.58x = 41,438.40 × 7,902.84
  4. Step 4: Simplify right side
    27,629.58x = 327,481,045.06
  5. Step 5: Solve for x
    x = 327,481,045.06/27,629.58
  6. Step 6: Final answer
    x = 11,852.55

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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.