Home / 27,744.96-38,290.68-15,171.60

Finding the Fourth Proportional to 27,744.96, 38,290.68 and 15,171.60

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Solution

The fourth proportional to 27,744.96, 38,290.68 and 15,171.60 is: 20,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.96 : 38,290.68 = 15,171.60 : x
  2. Step 2: Convert to fraction form
    27,744.96/38,290.68 = 15,171.60/x
  3. Step 3: Cross multiply
    27,744.96x = 38,290.68 × 15,171.60
  4. Step 4: Simplify right side
    27,744.96x = 580,930,880.69
  5. Step 5: Solve for x
    x = 580,930,880.69/27,744.96
  6. Step 6: Final answer
    x = 20,938.25

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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.