Home / 27,473.29-37,917.99-16,142.78

Finding the Fourth Proportional to 27,473.29, 37,917.99 and 16,142.78

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Solution

The fourth proportional to 27,473.29, 37,917.99 and 16,142.78 is: 22,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,473.29 : 37,917.99 = 16,142.78 : x
  2. Step 2: Convert to fraction form
    27,473.29/37,917.99 = 16,142.78/x
  3. Step 3: Cross multiply
    27,473.29x = 37,917.99 × 16,142.78
  4. Step 4: Simplify right side
    27,473.29x = 612,101,770.61
  5. Step 5: Solve for x
    x = 612,101,770.61/27,473.29
  6. Step 6: Final answer
    x = 22,279.89

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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.