Home / 27,982.94-38,604.67-18,535.10

Finding the Fourth Proportional to 27,982.94, 38,604.67 and 18,535.10

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Solution

The fourth proportional to 27,982.94, 38,604.67 and 18,535.10 is: 25,570.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.94 : 38,604.67 = 18,535.10 : x
  2. Step 2: Convert to fraction form
    27,982.94/38,604.67 = 18,535.10/x
  3. Step 3: Cross multiply
    27,982.94x = 38,604.67 × 18,535.10
  4. Step 4: Simplify right side
    27,982.94x = 715,541,179.56
  5. Step 5: Solve for x
    x = 715,541,179.56/27,982.94
  6. Step 6: Final answer
    x = 25,570.63

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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.