Home / 26,662.78-39,994.38-9,132.76

Finding the Fourth Proportional to 26,662.78, 39,994.38 and 9,132.76

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Solution

The fourth proportional to 26,662.78, 39,994.38 and 9,132.76 is: 13,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.78 : 39,994.38 = 9,132.76 : x
  2. Step 2: Convert to fraction form
    26,662.78/39,994.38 = 9,132.76/x
  3. Step 3: Cross multiply
    26,662.78x = 39,994.38 × 9,132.76
  4. Step 4: Simplify right side
    26,662.78x = 365,259,073.89
  5. Step 5: Solve for x
    x = 365,259,073.89/26,662.78
  6. Step 6: Final answer
    x = 13,699.21

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Double scale
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Similar ratio
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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.