Home / 17,628.70-26,436.19-8,857.50

Finding the Fourth Proportional to 17,628.70, 26,436.19 and 8,857.50

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Solution

The fourth proportional to 17,628.70, 26,436.19 and 8,857.50 is: 13,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.70 : 26,436.19 = 8,857.50 : x
  2. Step 2: Convert to fraction form
    17,628.70/26,436.19 = 8,857.50/x
  3. Step 3: Cross multiply
    17,628.70x = 26,436.19 × 8,857.50
  4. Step 4: Simplify right side
    17,628.70x = 234,158,552.93
  5. Step 5: Solve for x
    x = 234,158,552.93/17,628.70
  6. Step 6: Final answer
    x = 13,282.80

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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.