Home / 26,612.29-39,918.62-11,817.19

Finding the Fourth Proportional to 26,612.29, 39,918.62 and 11,817.19

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Solution

The fourth proportional to 26,612.29, 39,918.62 and 11,817.19 is: 17,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.29 : 39,918.62 = 11,817.19 : x
  2. Step 2: Convert to fraction form
    26,612.29/39,918.62 = 11,817.19/x
  3. Step 3: Cross multiply
    26,612.29x = 39,918.62 × 11,817.19
  4. Step 4: Simplify right side
    26,612.29x = 471,725,917.08
  5. Step 5: Solve for x
    x = 471,725,917.08/26,612.29
  6. Step 6: Final answer
    x = 17,725.87

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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.