Home / 26,705.36-40,032.72-11,906.12

Finding the Fourth Proportional to 26,705.36, 40,032.72 and 11,906.12

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Solution

The fourth proportional to 26,705.36, 40,032.72 and 11,906.12 is: 17,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,705.36 : 40,032.72 = 11,906.12 : x
  2. Step 2: Convert to fraction form
    26,705.36/40,032.72 = 11,906.12/x
  3. Step 3: Cross multiply
    26,705.36x = 40,032.72 × 11,906.12
  4. Step 4: Simplify right side
    26,705.36x = 476,634,368.25
  5. Step 5: Solve for x
    x = 476,634,368.25/26,705.36
  6. Step 6: Final answer
    x = 17,847.89

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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.