Home / 26,729.60-40,083.60-9,190.40

Finding the Fourth Proportional to 26,729.60, 40,083.60 and 9,190.40

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Solution

The fourth proportional to 26,729.60, 40,083.60 and 9,190.40 is: 13,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729.60 : 40,083.60 = 9,190.40 : x
  2. Step 2: Convert to fraction form
    26,729.60/40,083.60 = 9,190.40/x
  3. Step 3: Cross multiply
    26,729.60x = 40,083.60 × 9,190.40
  4. Step 4: Simplify right side
    26,729.60x = 368,384,317.44
  5. Step 5: Solve for x
    x = 368,384,317.44/26,729.60
  6. Step 6: Final answer
    x = 13,781.89

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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.