Home / 27,180.36-37,508.84-15,243.96

Finding the Fourth Proportional to 27,180.36, 37,508.84 and 15,243.96

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Solution

The fourth proportional to 27,180.36, 37,508.84 and 15,243.96 is: 21,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.36 : 37,508.84 = 15,243.96 : x
  2. Step 2: Convert to fraction form
    27,180.36/37,508.84 = 15,243.96/x
  3. Step 3: Cross multiply
    27,180.36x = 37,508.84 × 15,243.96
  4. Step 4: Simplify right side
    27,180.36x = 571,783,180.39
  5. Step 5: Solve for x
    x = 571,783,180.39/27,180.36
  6. Step 6: Final answer
    x = 21,036.63

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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.