Home / 27,452.72-37,890.36-15,516.56

Finding the Fourth Proportional to 27,452.72, 37,890.36 and 15,516.56

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Solution

The fourth proportional to 27,452.72, 37,890.36 and 15,516.56 is: 21,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,452.72 : 37,890.36 = 15,516.56 : x
  2. Step 2: Convert to fraction form
    27,452.72/37,890.36 = 15,516.56/x
  3. Step 3: Cross multiply
    27,452.72x = 37,890.36 × 15,516.56
  4. Step 4: Simplify right side
    27,452.72x = 587,928,044.36
  5. Step 5: Solve for x
    x = 587,928,044.36/27,452.72
  6. Step 6: Final answer
    x = 21,416.02

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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.