Home / 27,021.82-40,461.99-19,081.42

Finding the Fourth Proportional to 27,021.82, 40,461.99 and 19,081.42

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Solution

The fourth proportional to 27,021.82, 40,461.99 and 19,081.42 is: 28,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.82 : 40,461.99 = 19,081.42 : x
  2. Step 2: Convert to fraction form
    27,021.82/40,461.99 = 19,081.42/x
  3. Step 3: Cross multiply
    27,021.82x = 40,461.99 × 19,081.42
  4. Step 4: Simplify right side
    27,021.82x = 772,072,124.07
  5. Step 5: Solve for x
    x = 772,072,124.07/27,021.82
  6. Step 6: Final answer
    x = 28,572.18

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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.