Home / 26,513.88-39,736.42-12,276.96

Finding the Fourth Proportional to 26,513.88, 39,736.42 and 12,276.96

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Solution

The fourth proportional to 26,513.88, 39,736.42 and 12,276.96 is: 18,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,513.88 : 39,736.42 = 12,276.96 : x
  2. Step 2: Convert to fraction form
    26,513.88/39,736.42 = 12,276.96/x
  3. Step 3: Cross multiply
    26,513.88x = 39,736.42 × 12,276.96
  4. Step 4: Simplify right side
    26,513.88x = 487,842,377.50
  5. Step 5: Solve for x
    x = 487,842,377.50/26,513.88
  6. Step 6: Final answer
    x = 18,399.51

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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.