Home / 26,689.49-40,046.69-11,896.86

Finding the Fourth Proportional to 26,689.49, 40,046.69 and 11,896.86

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Solution

The fourth proportional to 26,689.49, 40,046.69 and 11,896.86 is: 17,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.49 : 40,046.69 = 11,896.86 : x
  2. Step 2: Convert to fraction form
    26,689.49/40,046.69 = 11,896.86/x
  3. Step 3: Cross multiply
    26,689.49x = 40,046.69 × 11,896.86
  4. Step 4: Simplify right side
    26,689.49x = 476,429,864.39
  5. Step 5: Solve for x
    x = 476,429,864.39/26,689.49
  6. Step 6: Final answer
    x = 17,850.84

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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.