Home / 27,864.77-41,764.96-12,840.48

Finding the Fourth Proportional to 27,864.77, 41,764.96 and 12,840.48

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Solution

The fourth proportional to 27,864.77, 41,764.96 and 12,840.48 is: 19,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.77 : 41,764.96 = 12,840.48 : x
  2. Step 2: Convert to fraction form
    27,864.77/41,764.96 = 12,840.48/x
  3. Step 3: Cross multiply
    27,864.77x = 41,764.96 × 12,840.48
  4. Step 4: Simplify right side
    27,864.77x = 536,282,069.38
  5. Step 5: Solve for x
    x = 536,282,069.38/27,864.77
  6. Step 6: Final answer
    x = 19,245.88

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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.