Home / 27,872.29-38,453.83-16,533.10

Finding the Fourth Proportional to 27,872.29, 38,453.83 and 16,533.10

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Solution

The fourth proportional to 27,872.29, 38,453.83 and 16,533.10 is: 22,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.29 : 38,453.83 = 16,533.10 : x
  2. Step 2: Convert to fraction form
    27,872.29/38,453.83 = 16,533.10/x
  3. Step 3: Cross multiply
    27,872.29x = 38,453.83 × 16,533.10
  4. Step 4: Simplify right side
    27,872.29x = 635,761,016.77
  5. Step 5: Solve for x
    x = 635,761,016.77/27,872.29
  6. Step 6: Final answer
    x = 22,809.79

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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.