Home / 17,836.80-26,771.64-9,078

Finding the Fourth Proportional to 17,836.80, 26,771.64 and 9,078

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Solution

The fourth proportional to 17,836.80, 26,771.64 and 9,078 is: 13,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,836.80 : 26,771.64 = 9,078 : x
  2. Step 2: Convert to fraction form
    17,836.80/26,771.64 = 9,078/x
  3. Step 3: Cross multiply
    17,836.80x = 26,771.64 × 9,078
  4. Step 4: Simplify right side
    17,836.80x = 243,032,947.92
  5. Step 5: Solve for x
    x = 243,032,947.92/17,836.80
  6. Step 6: Final answer
    x = 13,625.37

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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.