Home / 27,867.20-41,800.80-10,335.20

Finding the Fourth Proportional to 27,867.20, 41,800.80 and 10,335.20

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Solution

The fourth proportional to 27,867.20, 41,800.80 and 10,335.20 is: 15,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.20 : 41,800.80 = 10,335.20 : x
  2. Step 2: Convert to fraction form
    27,867.20/41,800.80 = 10,335.20/x
  3. Step 3: Cross multiply
    27,867.20x = 41,800.80 × 10,335.20
  4. Step 4: Simplify right side
    27,867.20x = 432,019,628.16
  5. Step 5: Solve for x
    x = 432,019,628.16/27,867.20
  6. Step 6: Final answer
    x = 15,502.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.