Home / 27,682.07-38,201.36-15,106.82

Finding the Fourth Proportional to 27,682.07, 38,201.36 and 15,106.82

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Solution

The fourth proportional to 27,682.07, 38,201.36 and 15,106.82 is: 20,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682.07 : 38,201.36 = 15,106.82 : x
  2. Step 2: Convert to fraction form
    27,682.07/38,201.36 = 15,106.82/x
  3. Step 3: Cross multiply
    27,682.07x = 38,201.36 × 15,106.82
  4. Step 4: Simplify right side
    27,682.07x = 577,100,802.73
  5. Step 5: Solve for x
    x = 577,100,802.73/27,682.07
  6. Step 6: Final answer
    x = 20,847.46

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Half scale
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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.