Home / 26,778.32-36,936.74-21,104.26

Finding the Fourth Proportional to 26,778.32, 36,936.74 and 21,104.26

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Solution

The fourth proportional to 26,778.32, 36,936.74 and 21,104.26 is: 29,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.32 : 36,936.74 = 21,104.26 : x
  2. Step 2: Convert to fraction form
    26,778.32/36,936.74 = 21,104.26/x
  3. Step 3: Cross multiply
    26,778.32x = 36,936.74 × 21,104.26
  4. Step 4: Simplify right side
    26,778.32x = 779,522,564.51
  5. Step 5: Solve for x
    x = 779,522,564.51/26,778.32
  6. Step 6: Final answer
    x = 29,110.21

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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.