Home / 27,083.64-40,620.48-12,289.14

Finding the Fourth Proportional to 27,083.64, 40,620.48 and 12,289.14

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Solution

The fourth proportional to 27,083.64, 40,620.48 and 12,289.14 is: 18,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,083.64 : 40,620.48 = 12,289.14 : x
  2. Step 2: Convert to fraction form
    27,083.64/40,620.48 = 12,289.14/x
  3. Step 3: Cross multiply
    27,083.64x = 40,620.48 × 12,289.14
  4. Step 4: Simplify right side
    27,083.64x = 499,190,765.59
  5. Step 5: Solve for x
    x = 499,190,765.59/27,083.64
  6. Step 6: Final answer
    x = 18,431.45

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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.