Home / 27,446.50-37,877.82-15,509.56

Finding the Fourth Proportional to 27,446.50, 37,877.82 and 15,509.56

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Solution

The fourth proportional to 27,446.50, 37,877.82 and 15,509.56 is: 21,404.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,446.50 : 37,877.82 = 15,509.56 : x
  2. Step 2: Convert to fraction form
    27,446.50/37,877.82 = 15,509.56/x
  3. Step 3: Cross multiply
    27,446.50x = 37,877.82 × 15,509.56
  4. Step 4: Simplify right side
    27,446.50x = 587,468,321.96
  5. Step 5: Solve for x
    x = 587,468,321.96/27,446.50
  6. Step 6: Final answer
    x = 21,404.13

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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.