Home / 27,878.51-38,469.78-16,546.05

Finding the Fourth Proportional to 27,878.51, 38,469.78 and 16,546.05

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Solution

The fourth proportional to 27,878.51, 38,469.78 and 16,546.05 is: 22,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878.51 : 38,469.78 = 16,546.05 : x
  2. Step 2: Convert to fraction form
    27,878.51/38,469.78 = 16,546.05/x
  3. Step 3: Cross multiply
    27,878.51x = 38,469.78 × 16,546.05
  4. Step 4: Simplify right side
    27,878.51x = 636,522,903.37
  5. Step 5: Solve for x
    x = 636,522,903.37/27,878.51
  6. Step 6: Final answer
    x = 22,832.03

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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.