Home / 36,226.80-54,345.60-12,851.28

Finding the Fourth Proportional to 36,226.80, 54,345.60 and 12,851.28

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Solution

The fourth proportional to 36,226.80, 54,345.60 and 12,851.28 is: 19,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,226.80 : 54,345.60 = 12,851.28 : x
  2. Step 2: Convert to fraction form
    36,226.80/54,345.60 = 12,851.28/x
  3. Step 3: Cross multiply
    36,226.80x = 54,345.60 × 12,851.28
  4. Step 4: Simplify right side
    36,226.80x = 698,410,522.37
  5. Step 5: Solve for x
    x = 698,410,522.37/36,226.80
  6. Step 6: Final answer
    x = 19,278.84

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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.