Home / 27,869.40-41,739.30-19,056.60

Finding the Fourth Proportional to 27,869.40, 41,739.30 and 19,056.60

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Solution

The fourth proportional to 27,869.40, 41,739.30 and 19,056.60 is: 28,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,869.40 : 41,739.30 = 19,056.60 : x
  2. Step 2: Convert to fraction form
    27,869.40/41,739.30 = 19,056.60/x
  3. Step 3: Cross multiply
    27,869.40x = 41,739.30 × 19,056.60
  4. Step 4: Simplify right side
    27,869.40x = 795,409,144.38
  5. Step 5: Solve for x
    x = 795,409,144.38/27,869.40
  6. Step 6: Final answer
    x = 28,540.59

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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.