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Finding the Fourth Proportional to 26,015.63, 35,917.04 and 17,078.77

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Solution

The fourth proportional to 26,015.63, 35,917.04 and 17,078.77 is: 23,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,015.63 : 35,917.04 = 17,078.77 : x
  2. Step 2: Convert to fraction form
    26,015.63/35,917.04 = 17,078.77/x
  3. Step 3: Cross multiply
    26,015.63x = 35,917.04 × 17,078.77
  4. Step 4: Simplify right side
    26,015.63x = 613,418,600.26
  5. Step 5: Solve for x
    x = 613,418,600.26/26,015.63
  6. Step 6: Final answer
    x = 23,578.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.