Home / 27,217.08-40,827.14-8,499.70

Finding the Fourth Proportional to 27,217.08, 40,827.14 and 8,499.70

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Solution

The fourth proportional to 27,217.08, 40,827.14 and 8,499.70 is: 12,750.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.08 : 40,827.14 = 8,499.70 : x
  2. Step 2: Convert to fraction form
    27,217.08/40,827.14 = 8,499.70/x
  3. Step 3: Cross multiply
    27,217.08x = 40,827.14 × 8,499.70
  4. Step 4: Simplify right side
    27,217.08x = 347,018,441.86
  5. Step 5: Solve for x
    x = 347,018,441.86/27,217.08
  6. Step 6: Final answer
    x = 12,750.02

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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.