Home / 27,469.71-37,911.68-15,532.78

Finding the Fourth Proportional to 27,469.71, 37,911.68 and 15,532.78

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Solution

The fourth proportional to 27,469.71, 37,911.68 and 15,532.78 is: 21,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,469.71 : 37,911.68 = 15,532.78 : x
  2. Step 2: Convert to fraction form
    27,469.71/37,911.68 = 15,532.78/x
  3. Step 3: Cross multiply
    27,469.71x = 37,911.68 × 15,532.78
  4. Step 4: Simplify right side
    27,469.71x = 588,873,784.87
  5. Step 5: Solve for x
    x = 588,873,784.87/27,469.71
  6. Step 6: Final answer
    x = 21,437.20

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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.