Home / 27,951.28-38,575.32-16,018.48

Finding the Fourth Proportional to 27,951.28, 38,575.32 and 16,018.48

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Solution

The fourth proportional to 27,951.28, 38,575.32 and 16,018.48 is: 22,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.28 : 38,575.32 = 16,018.48 : x
  2. Step 2: Convert to fraction form
    27,951.28/38,575.32 = 16,018.48/x
  3. Step 3: Cross multiply
    27,951.28x = 38,575.32 × 16,018.48
  4. Step 4: Simplify right side
    27,951.28x = 617,917,991.91
  5. Step 5: Solve for x
    x = 617,917,991.91/27,951.28
  6. Step 6: Final answer
    x = 22,106.97

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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.