Home / 27,917.75-38,513.69-16,580.89

Finding the Fourth Proportional to 27,917.75, 38,513.69 and 16,580.89

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Solution

The fourth proportional to 27,917.75, 38,513.69 and 16,580.89 is: 22,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.75 : 38,513.69 = 16,580.89 : x
  2. Step 2: Convert to fraction form
    27,917.75/38,513.69 = 16,580.89/x
  3. Step 3: Cross multiply
    27,917.75x = 38,513.69 × 16,580.89
  4. Step 4: Simplify right side
    27,917.75x = 638,591,257.38
  5. Step 5: Solve for x
    x = 638,591,257.38/27,917.75
  6. Step 6: Final answer
    x = 22,874.02

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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.