Home / 27,170.27-37,492.91-15,231.34

Finding the Fourth Proportional to 27,170.27, 37,492.91 and 15,231.34

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Solution

The fourth proportional to 27,170.27, 37,492.91 and 15,231.34 is: 21,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.27 : 37,492.91 = 15,231.34 : x
  2. Step 2: Convert to fraction form
    27,170.27/37,492.91 = 15,231.34/x
  3. Step 3: Cross multiply
    27,170.27x = 37,492.91 × 15,231.34
  4. Step 4: Simplify right side
    27,170.27x = 571,067,287.63
  5. Step 5: Solve for x
    x = 571,067,287.63/27,170.27
  6. Step 6: Final answer
    x = 21,018.09

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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.