Home / 27,172.60-37,499.98-15,236.70

Finding the Fourth Proportional to 27,172.60, 37,499.98 and 15,236.70

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Solution

The fourth proportional to 27,172.60, 37,499.98 and 15,236.70 is: 21,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.60 : 37,499.98 = 15,236.70 : x
  2. Step 2: Convert to fraction form
    27,172.60/37,499.98 = 15,236.70/x
  3. Step 3: Cross multiply
    27,172.60x = 37,499.98 × 15,236.70
  4. Step 4: Simplify right side
    27,172.60x = 571,375,945.27
  5. Step 5: Solve for x
    x = 571,375,945.27/27,172.60
  6. Step 6: Final answer
    x = 21,027.65

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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.