Home / 27,884.39-38,487.56-15,951.47

Finding the Fourth Proportional to 27,884.39, 38,487.56 and 15,951.47

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Solution

The fourth proportional to 27,884.39, 38,487.56 and 15,951.47 is: 22,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,884.39 : 38,487.56 = 15,951.47 : x
  2. Step 2: Convert to fraction form
    27,884.39/38,487.56 = 15,951.47/x
  3. Step 3: Cross multiply
    27,884.39x = 38,487.56 × 15,951.47
  4. Step 4: Simplify right side
    27,884.39x = 613,932,886.52
  5. Step 5: Solve for x
    x = 613,932,886.52/27,884.39
  6. Step 6: Final answer
    x = 22,017.09

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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.