Home / 26,292.78-39,415.68-11,489.97

Finding the Fourth Proportional to 26,292.78, 39,415.68 and 11,489.97

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Solution

The fourth proportional to 26,292.78, 39,415.68 and 11,489.97 is: 17,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,292.78 : 39,415.68 = 11,489.97 : x
  2. Step 2: Convert to fraction form
    26,292.78/39,415.68 = 11,489.97/x
  3. Step 3: Cross multiply
    26,292.78x = 39,415.68 × 11,489.97
  4. Step 4: Simplify right side
    26,292.78x = 452,885,128.54
  5. Step 5: Solve for x
    x = 452,885,128.54/26,292.78
  6. Step 6: Final answer
    x = 17,224.70

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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.