Home / 27,320.49-40,956.03-9,786.42

Finding the Fourth Proportional to 27,320.49, 40,956.03 and 9,786.42

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Solution

The fourth proportional to 27,320.49, 40,956.03 and 9,786.42 is: 14,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.49 : 40,956.03 = 9,786.42 : x
  2. Step 2: Convert to fraction form
    27,320.49/40,956.03 = 9,786.42/x
  3. Step 3: Cross multiply
    27,320.49x = 40,956.03 × 9,786.42
  4. Step 4: Simplify right side
    27,320.49x = 400,812,911.11
  5. Step 5: Solve for x
    x = 400,812,911.11/27,320.49
  6. Step 6: Final answer
    x = 14,670.78

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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.