Home / 27,172.56-37,499.76-15,236.56

Finding the Fourth Proportional to 27,172.56, 37,499.76 and 15,236.56

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Solution

The fourth proportional to 27,172.56, 37,499.76 and 15,236.56 is: 21,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.56 : 37,499.76 = 15,236.56 : x
  2. Step 2: Convert to fraction form
    27,172.56/37,499.76 = 15,236.56/x
  3. Step 3: Cross multiply
    27,172.56x = 37,499.76 × 15,236.56
  4. Step 4: Simplify right side
    27,172.56x = 571,367,179.16
  5. Step 5: Solve for x
    x = 571,367,179.16/27,172.56
  6. Step 6: Final answer
    x = 21,027.36

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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.