Home / 27,054.78-40,586.04-8,336.40

Finding the Fourth Proportional to 27,054.78, 40,586.04 and 8,336.40

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Solution

The fourth proportional to 27,054.78, 40,586.04 and 8,336.40 is: 12,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,054.78 : 40,586.04 = 8,336.40 : x
  2. Step 2: Convert to fraction form
    27,054.78/40,586.04 = 8,336.40/x
  3. Step 3: Cross multiply
    27,054.78x = 40,586.04 × 8,336.40
  4. Step 4: Simplify right side
    27,054.78x = 338,341,463.86
  5. Step 5: Solve for x
    x = 338,341,463.86/27,054.78
  6. Step 6: Final answer
    x = 12,505.79

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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.