Home / 27,255.78-40,860.65-10,627.43

Finding the Fourth Proportional to 27,255.78, 40,860.65 and 10,627.43

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Solution

The fourth proportional to 27,255.78, 40,860.65 and 10,627.43 is: 15,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.78 : 40,860.65 = 10,627.43 : x
  2. Step 2: Convert to fraction form
    27,255.78/40,860.65 = 10,627.43/x
  3. Step 3: Cross multiply
    27,255.78x = 40,860.65 × 10,627.43
  4. Step 4: Simplify right side
    27,255.78x = 434,243,519.89
  5. Step 5: Solve for x
    x = 434,243,519.89/27,255.78
  6. Step 6: Final answer
    x = 15,932.16

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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.