Home / 27,848.26-38,431.02-15,272.74

Finding the Fourth Proportional to 27,848.26, 38,431.02 and 15,272.74

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Solution

The fourth proportional to 27,848.26, 38,431.02 and 15,272.74 is: 21,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.26 : 38,431.02 = 15,272.74 : x
  2. Step 2: Convert to fraction form
    27,848.26/38,431.02 = 15,272.74/x
  3. Step 3: Cross multiply
    27,848.26x = 38,431.02 × 15,272.74
  4. Step 4: Simplify right side
    27,848.26x = 586,946,976.39
  5. Step 5: Solve for x
    x = 586,946,976.39/27,848.26
  6. Step 6: Final answer
    x = 21,076.61

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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.