Home / 26,893.79-40,285.20-15,766.69

Finding the Fourth Proportional to 26,893.79, 40,285.20 and 15,766.69

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Solution

The fourth proportional to 26,893.79, 40,285.20 and 15,766.69 is: 23,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,893.79 : 40,285.20 = 15,766.69 : x
  2. Step 2: Convert to fraction form
    26,893.79/40,285.20 = 15,766.69/x
  3. Step 3: Cross multiply
    26,893.79x = 40,285.20 × 15,766.69
  4. Step 4: Simplify right side
    26,893.79x = 635,164,259.99
  5. Step 5: Solve for x
    x = 635,164,259.99/26,893.79
  6. Step 6: Final answer
    x = 23,617.51

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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.