Home / 27,036.96-40,559.30-8,318.55

Finding the Fourth Proportional to 27,036.96, 40,559.30 and 8,318.55

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Solution

The fourth proportional to 27,036.96, 40,559.30 and 8,318.55 is: 12,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.96 : 40,559.30 = 8,318.55 : x
  2. Step 2: Convert to fraction form
    27,036.96/40,559.30 = 8,318.55/x
  3. Step 3: Cross multiply
    27,036.96x = 40,559.30 × 8,318.55
  4. Step 4: Simplify right side
    27,036.96x = 337,394,523.42
  5. Step 5: Solve for x
    x = 337,394,523.42/27,036.96
  6. Step 6: Final answer
    x = 12,479.01

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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.