Home / 26,469.72-39,685.14-12,628.44

Finding the Fourth Proportional to 26,469.72, 39,685.14 and 12,628.44

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Solution

The fourth proportional to 26,469.72, 39,685.14 and 12,628.44 is: 18,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.72 : 39,685.14 = 12,628.44 : x
  2. Step 2: Convert to fraction form
    26,469.72/39,685.14 = 12,628.44/x
  3. Step 3: Cross multiply
    26,469.72x = 39,685.14 × 12,628.44
  4. Step 4: Simplify right side
    26,469.72x = 501,161,409.38
  5. Step 5: Solve for x
    x = 501,161,409.38/26,469.72
  6. Step 6: Final answer
    x = 18,933.39

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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.