Home / 27,306.98-37,684.85-15,371.09

Finding the Fourth Proportional to 27,306.98, 37,684.85 and 15,371.09

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Solution

The fourth proportional to 27,306.98, 37,684.85 and 15,371.09 is: 21,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.98 : 37,684.85 = 15,371.09 : x
  2. Step 2: Convert to fraction form
    27,306.98/37,684.85 = 15,371.09/x
  3. Step 3: Cross multiply
    27,306.98x = 37,684.85 × 15,371.09
  4. Step 4: Simplify right side
    27,306.98x = 579,257,220.99
  5. Step 5: Solve for x
    x = 579,257,220.99/27,306.98
  6. Step 6: Final answer
    x = 21,212.79

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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.