Home / 27,055.28-40,586.79-8,336.90

Finding the Fourth Proportional to 27,055.28, 40,586.79 and 8,336.90

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Solution

The fourth proportional to 27,055.28, 40,586.79 and 8,336.90 is: 12,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,055.28 : 40,586.79 = 8,336.90 : x
  2. Step 2: Convert to fraction form
    27,055.28/40,586.79 = 8,336.90/x
  3. Step 3: Cross multiply
    27,055.28x = 40,586.79 × 8,336.90
  4. Step 4: Simplify right side
    27,055.28x = 338,368,009.55
  5. Step 5: Solve for x
    x = 338,368,009.55/27,055.28
  6. Step 6: Final answer
    x = 12,506.54

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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.