Home / 27,817.56-38,388.72-15,241.56

Finding the Fourth Proportional to 27,817.56, 38,388.72 and 15,241.56

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Solution

The fourth proportional to 27,817.56, 38,388.72 and 15,241.56 is: 21,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.56 : 38,388.72 = 15,241.56 : x
  2. Step 2: Convert to fraction form
    27,817.56/38,388.72 = 15,241.56/x
  3. Step 3: Cross multiply
    27,817.56x = 38,388.72 × 15,241.56
  4. Step 4: Simplify right side
    27,817.56x = 585,103,979.20
  5. Step 5: Solve for x
    x = 585,103,979.20/27,817.56
  6. Step 6: Final answer
    x = 21,033.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.