Home / 27,273.78-40,881.21-13,204.08

Finding the Fourth Proportional to 27,273.78, 40,881.21 and 13,204.08

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Solution

The fourth proportional to 27,273.78, 40,881.21 and 13,204.08 is: 19,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,273.78 : 40,881.21 = 13,204.08 : x
  2. Step 2: Convert to fraction form
    27,273.78/40,881.21 = 13,204.08/x
  3. Step 3: Cross multiply
    27,273.78x = 40,881.21 × 13,204.08
  4. Step 4: Simplify right side
    27,273.78x = 539,798,767.34
  5. Step 5: Solve for x
    x = 539,798,767.34/27,273.78
  6. Step 6: Final answer
    x = 19,791.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.