Home / 26,105.64-36,009.39-15,487.75

Finding the Fourth Proportional to 26,105.64, 36,009.39 and 15,487.75

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Solution

The fourth proportional to 26,105.64, 36,009.39 and 15,487.75 is: 21,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.64 : 36,009.39 = 15,487.75 : x
  2. Step 2: Convert to fraction form
    26,105.64/36,009.39 = 15,487.75/x
  3. Step 3: Cross multiply
    26,105.64x = 36,009.39 × 15,487.75
  4. Step 4: Simplify right side
    26,105.64x = 557,704,429.97
  5. Step 5: Solve for x
    x = 557,704,429.97/26,105.64
  6. Step 6: Final answer
    x = 21,363.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.