Home / 26,287.97-36,239.78-16,209.68

Finding the Fourth Proportional to 26,287.97, 36,239.78 and 16,209.68

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Solution

The fourth proportional to 26,287.97, 36,239.78 and 16,209.68 is: 22,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.97 : 36,239.78 = 16,209.68 : x
  2. Step 2: Convert to fraction form
    26,287.97/36,239.78 = 16,209.68/x
  3. Step 3: Cross multiply
    26,287.97x = 36,239.78 × 16,209.68
  4. Step 4: Simplify right side
    26,287.97x = 587,434,974.82
  5. Step 5: Solve for x
    x = 587,434,974.82/26,287.97
  6. Step 6: Final answer
    x = 22,346.16

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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.