Home / 27,668.22-38,182.06-15,092.88

Finding the Fourth Proportional to 27,668.22, 38,182.06 and 15,092.88

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Solution

The fourth proportional to 27,668.22, 38,182.06 and 15,092.88 is: 20,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668.22 : 38,182.06 = 15,092.88 : x
  2. Step 2: Convert to fraction form
    27,668.22/38,182.06 = 15,092.88/x
  3. Step 3: Cross multiply
    27,668.22x = 38,182.06 × 15,092.88
  4. Step 4: Simplify right side
    27,668.22x = 576,276,983.36
  5. Step 5: Solve for x
    x = 576,276,983.36/27,668.22
  6. Step 6: Final answer
    x = 20,828.12

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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.