Home / 27,185.16-40,788.63-12,401.04

Finding the Fourth Proportional to 27,185.16, 40,788.63 and 12,401.04

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Solution

The fourth proportional to 27,185.16, 40,788.63 and 12,401.04 is: 18,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,185.16 : 40,788.63 = 12,401.04 : x
  2. Step 2: Convert to fraction form
    27,185.16/40,788.63 = 12,401.04/x
  3. Step 3: Cross multiply
    27,185.16x = 40,788.63 × 12,401.04
  4. Step 4: Simplify right side
    27,185.16x = 505,821,432.18
  5. Step 5: Solve for x
    x = 505,821,432.18/27,185.16
  6. Step 6: Final answer
    x = 18,606.53

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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.