Home / 27,021.08-40,503.86-10,376.62

Finding the Fourth Proportional to 27,021.08, 40,503.86 and 10,376.62

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Solution

The fourth proportional to 27,021.08, 40,503.86 and 10,376.62 is: 15,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.08 : 40,503.86 = 10,376.62 : x
  2. Step 2: Convert to fraction form
    27,021.08/40,503.86 = 10,376.62/x
  3. Step 3: Cross multiply
    27,021.08x = 40,503.86 × 10,376.62
  4. Step 4: Simplify right side
    27,021.08x = 420,293,163.75
  5. Step 5: Solve for x
    x = 420,293,163.75/27,021.08
  6. Step 6: Final answer
    x = 15,554.27

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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.