Home / 27,037.21-40,559.67-8,318.80

Finding the Fourth Proportional to 27,037.21, 40,559.67 and 8,318.80

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Solution

The fourth proportional to 27,037.21, 40,559.67 and 8,318.80 is: 12,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,037.21 : 40,559.67 = 8,318.80 : x
  2. Step 2: Convert to fraction form
    27,037.21/40,559.67 = 8,318.80/x
  3. Step 3: Cross multiply
    27,037.21x = 40,559.67 × 8,318.80
  4. Step 4: Simplify right side
    27,037.21x = 337,407,782.80
  5. Step 5: Solve for x
    x = 337,407,782.80/27,037.21
  6. Step 6: Final answer
    x = 12,479.39

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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.