Home / 27,015.57-40,537.62-19,168.79

Finding the Fourth Proportional to 27,015.57, 40,537.62 and 19,168.79

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Solution

The fourth proportional to 27,015.57, 40,537.62 and 19,168.79 is: 28,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.57 : 40,537.62 = 19,168.79 : x
  2. Step 2: Convert to fraction form
    27,015.57/40,537.62 = 19,168.79/x
  3. Step 3: Cross multiply
    27,015.57x = 40,537.62 × 19,168.79
  4. Step 4: Simplify right side
    27,015.57x = 777,057,124.88
  5. Step 5: Solve for x
    x = 777,057,124.88/27,015.57
  6. Step 6: Final answer
    x = 28,763.31

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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.