Home / 27,552.36-38,021.02-15,615.44

Finding the Fourth Proportional to 27,552.36, 38,021.02 and 15,615.44

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Solution

The fourth proportional to 27,552.36, 38,021.02 and 15,615.44 is: 21,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,552.36 : 38,021.02 = 15,615.44 : x
  2. Step 2: Convert to fraction form
    27,552.36/38,021.02 = 15,615.44/x
  3. Step 3: Cross multiply
    27,552.36x = 38,021.02 × 15,615.44
  4. Step 4: Simplify right side
    27,552.36x = 593,714,956.55
  5. Step 5: Solve for x
    x = 593,714,956.55/27,552.36
  6. Step 6: Final answer
    x = 21,548.61

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Half scale
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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.