Home / 26,801.82-40,203.06-18,479.60

Finding the Fourth Proportional to 26,801.82, 40,203.06 and 18,479.60

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Solution

The fourth proportional to 26,801.82, 40,203.06 and 18,479.60 is: 27,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,801.82 : 40,203.06 = 18,479.60 : x
  2. Step 2: Convert to fraction form
    26,801.82/40,203.06 = 18,479.60/x
  3. Step 3: Cross multiply
    26,801.82x = 40,203.06 × 18,479.60
  4. Step 4: Simplify right side
    26,801.82x = 742,936,467.58
  5. Step 5: Solve for x
    x = 742,936,467.58/26,801.82
  6. Step 6: Final answer
    x = 27,719.63

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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.