Home / 26,523.78-39,732.42-12,272.34

Finding the Fourth Proportional to 26,523.78, 39,732.42 and 12,272.34

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Solution

The fourth proportional to 26,523.78, 39,732.42 and 12,272.34 is: 18,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,523.78 : 39,732.42 = 12,272.34 : x
  2. Step 2: Convert to fraction form
    26,523.78/39,732.42 = 12,272.34/x
  3. Step 3: Cross multiply
    26,523.78x = 39,732.42 × 12,272.34
  4. Step 4: Simplify right side
    26,523.78x = 487,609,767.26
  5. Step 5: Solve for x
    x = 487,609,767.26/26,523.78
  6. Step 6: Final answer
    x = 18,383.87

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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.