Home / 26,758.68-36,939.15-19,107.69

Finding the Fourth Proportional to 26,758.68, 36,939.15 and 19,107.69

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Solution

The fourth proportional to 26,758.68, 36,939.15 and 19,107.69 is: 26,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.68 : 36,939.15 = 19,107.69 : x
  2. Step 2: Convert to fraction form
    26,758.68/36,939.15 = 19,107.69/x
  3. Step 3: Cross multiply
    26,758.68x = 36,939.15 × 19,107.69
  4. Step 4: Simplify right side
    26,758.68x = 705,821,827.06
  5. Step 5: Solve for x
    x = 705,821,827.06/26,758.68
  6. Step 6: Final answer
    x = 26,377.30

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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.