Home / 26,801.44-40,216-12,020.64

Finding the Fourth Proportional to 26,801.44, 40,216 and 12,020.64

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Solution

The fourth proportional to 26,801.44, 40,216 and 12,020.64 is: 18,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,801.44 : 40,216 = 12,020.64 : x
  2. Step 2: Convert to fraction form
    26,801.44/40,216 = 12,020.64/x
  3. Step 3: Cross multiply
    26,801.44x = 40,216 × 12,020.64
  4. Step 4: Simplify right side
    26,801.44x = 483,422,058.24
  5. Step 5: Solve for x
    x = 483,422,058.24/26,801.44
  6. Step 6: Final answer
    x = 18,037.17

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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.