Home / 27,845.13-41,775.40-12,856.83

Finding the Fourth Proportional to 27,845.13, 41,775.40 and 12,856.83

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Solution

The fourth proportional to 27,845.13, 41,775.40 and 12,856.83 is: 19,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.13 : 41,775.40 = 12,856.83 : x
  2. Step 2: Convert to fraction form
    27,845.13/41,775.40 = 12,856.83/x
  3. Step 3: Cross multiply
    27,845.13x = 41,775.40 × 12,856.83
  4. Step 4: Simplify right side
    27,845.13x = 537,099,388.71
  5. Step 5: Solve for x
    x = 537,099,388.71/27,845.13
  6. Step 6: Final answer
    x = 19,288.81

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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.