Home / 26,212-36,172.20-15,601.36

Finding the Fourth Proportional to 26,212, 36,172.20 and 15,601.36

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Solution

The fourth proportional to 26,212, 36,172.20 and 15,601.36 is: 21,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,212 : 36,172.20 = 15,601.36 : x
  2. Step 2: Convert to fraction form
    26,212/36,172.20 = 15,601.36/x
  3. Step 3: Cross multiply
    26,212x = 36,172.20 × 15,601.36
  4. Step 4: Simplify right side
    26,212x = 564,335,514.19
  5. Step 5: Solve for x
    x = 564,335,514.19/26,212
  6. Step 6: Final answer
    x = 21,529.66

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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.