Home / 27,867.03-38,454.62-15,292.59

Finding the Fourth Proportional to 27,867.03, 38,454.62 and 15,292.59

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Solution

The fourth proportional to 27,867.03, 38,454.62 and 15,292.59 is: 21,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.03 : 38,454.62 = 15,292.59 : x
  2. Step 2: Convert to fraction form
    27,867.03/38,454.62 = 15,292.59/x
  3. Step 3: Cross multiply
    27,867.03x = 38,454.62 × 15,292.59
  4. Step 4: Simplify right side
    27,867.03x = 588,070,660.80
  5. Step 5: Solve for x
    x = 588,070,660.80/27,867.03
  6. Step 6: Final answer
    x = 21,102.74

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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.