Home / 26,238.87-39,374.64-11,448

Finding the Fourth Proportional to 26,238.87, 39,374.64 and 11,448

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Solution

The fourth proportional to 26,238.87, 39,374.64 and 11,448 is: 17,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,238.87 : 39,374.64 = 11,448 : x
  2. Step 2: Convert to fraction form
    26,238.87/39,374.64 = 11,448/x
  3. Step 3: Cross multiply
    26,238.87x = 39,374.64 × 11,448
  4. Step 4: Simplify right side
    26,238.87x = 450,760,878.72
  5. Step 5: Solve for x
    x = 450,760,878.72/26,238.87
  6. Step 6: Final answer
    x = 17,179.13

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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.