Home / 27,455.92-37,891.09-15,519.34

Finding the Fourth Proportional to 27,455.92, 37,891.09 and 15,519.34

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Solution

The fourth proportional to 27,455.92, 37,891.09 and 15,519.34 is: 21,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.92 : 37,891.09 = 15,519.34 : x
  2. Step 2: Convert to fraction form
    27,455.92/37,891.09 = 15,519.34/x
  3. Step 3: Cross multiply
    27,455.92x = 37,891.09 × 15,519.34
  4. Step 4: Simplify right side
    27,455.92x = 588,044,708.68
  5. Step 5: Solve for x
    x = 588,044,708.68/27,455.92
  6. Step 6: Final answer
    x = 21,417.77

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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.