Home / 19,982.65-27,576.73-10,908.55

Finding the Fourth Proportional to 19,982.65, 27,576.73 and 10,908.55

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Solution

The fourth proportional to 19,982.65, 27,576.73 and 10,908.55 is: 15,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.65 : 27,576.73 = 10,908.55 : x
  2. Step 2: Convert to fraction form
    19,982.65/27,576.73 = 10,908.55/x
  3. Step 3: Cross multiply
    19,982.65x = 27,576.73 × 10,908.55
  4. Step 4: Simplify right side
    19,982.65x = 300,822,138.04
  5. Step 5: Solve for x
    x = 300,822,138.04/19,982.65
  6. Step 6: Final answer
    x = 15,054.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.