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Finding the Fourth Proportional to 26,503.77, 39,760.52 and 8,735.48

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Solution

The fourth proportional to 26,503.77, 39,760.52 and 8,735.48 is: 13,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.77 : 39,760.52 = 8,735.48 : x
  2. Step 2: Convert to fraction form
    26,503.77/39,760.52 = 8,735.48/x
  3. Step 3: Cross multiply
    26,503.77x = 39,760.52 × 8,735.48
  4. Step 4: Simplify right side
    26,503.77x = 347,327,227.25
  5. Step 5: Solve for x
    x = 347,327,227.25/26,503.77
  6. Step 6: Final answer
    x = 13,104.82

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1.5x scale

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.