Home / 27,369.72-37,765.56-15,267.60

Finding the Fourth Proportional to 27,369.72, 37,765.56 and 15,267.60

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Solution

The fourth proportional to 27,369.72, 37,765.56 and 15,267.60 is: 21,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.72 : 37,765.56 = 15,267.60 : x
  2. Step 2: Convert to fraction form
    27,369.72/37,765.56 = 15,267.60/x
  3. Step 3: Cross multiply
    27,369.72x = 37,765.56 × 15,267.60
  4. Step 4: Simplify right side
    27,369.72x = 576,589,463.86
  5. Step 5: Solve for x
    x = 576,589,463.86/27,369.72
  6. Step 6: Final answer
    x = 21,066.69

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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.