Home / 27,845.08-41,775.34-12,856.78

Finding the Fourth Proportional to 27,845.08, 41,775.34 and 12,856.78

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Solution

The fourth proportional to 27,845.08, 41,775.34 and 12,856.78 is: 19,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.08 : 41,775.34 = 12,856.78 : x
  2. Step 2: Convert to fraction form
    27,845.08/41,775.34 = 12,856.78/x
  3. Step 3: Cross multiply
    27,845.08x = 41,775.34 × 12,856.78
  4. Step 4: Simplify right side
    27,845.08x = 537,096,399.99
  5. Step 5: Solve for x
    x = 537,096,399.99/27,845.08
  6. Step 6: Final answer
    x = 19,288.73

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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.