Home / 27,867.12-38,456.52-15,292.08

Finding the Fourth Proportional to 27,867.12, 38,456.52 and 15,292.08

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Solution

The fourth proportional to 27,867.12, 38,456.52 and 15,292.08 is: 21,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.12 : 38,456.52 = 15,292.08 : x
  2. Step 2: Convert to fraction form
    27,867.12/38,456.52 = 15,292.08/x
  3. Step 3: Cross multiply
    27,867.12x = 38,456.52 × 15,292.08
  4. Step 4: Simplify right side
    27,867.12x = 588,080,180.36
  5. Step 5: Solve for x
    x = 588,080,180.36/27,867.12
  6. Step 6: Final answer
    x = 21,103.01

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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.