Home / 27,418.07-41,128.56-8,699.55

Finding the Fourth Proportional to 27,418.07, 41,128.56 and 8,699.55

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Solution

The fourth proportional to 27,418.07, 41,128.56 and 8,699.55 is: 13,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.07 : 41,128.56 = 8,699.55 : x
  2. Step 2: Convert to fraction form
    27,418.07/41,128.56 = 8,699.55/x
  3. Step 3: Cross multiply
    27,418.07x = 41,128.56 × 8,699.55
  4. Step 4: Simplify right side
    27,418.07x = 357,799,964.15
  5. Step 5: Solve for x
    x = 357,799,964.15/27,418.07
  6. Step 6: Final answer
    x = 13,049.79

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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.