Home / 26,186.40-39,330-22,446.72

Finding the Fourth Proportional to 26,186.40, 39,330 and 22,446.72

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Solution

The fourth proportional to 26,186.40, 39,330 and 22,446.72 is: 33,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.40 : 39,330 = 22,446.72 : x
  2. Step 2: Convert to fraction form
    26,186.40/39,330 = 22,446.72/x
  3. Step 3: Cross multiply
    26,186.40x = 39,330 × 22,446.72
  4. Step 4: Simplify right side
    26,186.40x = 882,829,497.60
  5. Step 5: Solve for x
    x = 882,829,497.60/26,186.40
  6. Step 6: Final answer
    x = 33,713.28

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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.