Home / 27,997.74-38,636.28-15,251.06

Finding the Fourth Proportional to 27,997.74, 38,636.28 and 15,251.06

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Solution

The fourth proportional to 27,997.74, 38,636.28 and 15,251.06 is: 21,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,997.74 : 38,636.28 = 15,251.06 : x
  2. Step 2: Convert to fraction form
    27,997.74/38,636.28 = 15,251.06/x
  3. Step 3: Cross multiply
    27,997.74x = 38,636.28 × 15,251.06
  4. Step 4: Simplify right side
    27,997.74x = 589,244,224.46
  5. Step 5: Solve for x
    x = 589,244,224.46/27,997.74
  6. Step 6: Final answer
    x = 21,046.14

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Double scale
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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.