Home / 27,867.76-38,458.18-15,292.50

Finding the Fourth Proportional to 27,867.76, 38,458.18 and 15,292.50

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Solution

The fourth proportional to 27,867.76, 38,458.18 and 15,292.50 is: 21,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.76 : 38,458.18 = 15,292.50 : x
  2. Step 2: Convert to fraction form
    27,867.76/38,458.18 = 15,292.50/x
  3. Step 3: Cross multiply
    27,867.76x = 38,458.18 × 15,292.50
  4. Step 4: Simplify right side
    27,867.76x = 588,121,717.65
  5. Step 5: Solve for x
    x = 588,121,717.65/27,867.76
  6. Step 6: Final answer
    x = 21,104.02

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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.