Home / 27,333.56-37,719.60-15,396.68

Finding the Fourth Proportional to 27,333.56, 37,719.60 and 15,396.68

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Solution

The fourth proportional to 27,333.56, 37,719.60 and 15,396.68 is: 21,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,333.56 : 37,719.60 = 15,396.68 : x
  2. Step 2: Convert to fraction form
    27,333.56/37,719.60 = 15,396.68/x
  3. Step 3: Cross multiply
    27,333.56x = 37,719.60 × 15,396.68
  4. Step 4: Simplify right side
    27,333.56x = 580,756,610.93
  5. Step 5: Solve for x
    x = 580,756,610.93/27,333.56
  6. Step 6: Final answer
    x = 21,247.02

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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.