Home / 27,856.40-41,821.68-16,178

Finding the Fourth Proportional to 27,856.40, 41,821.68 and 16,178

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Solution

The fourth proportional to 27,856.40, 41,821.68 and 16,178 is: 24,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856.40 : 41,821.68 = 16,178 : x
  2. Step 2: Convert to fraction form
    27,856.40/41,821.68 = 16,178/x
  3. Step 3: Cross multiply
    27,856.40x = 41,821.68 × 16,178
  4. Step 4: Simplify right side
    27,856.40x = 676,591,139.04
  5. Step 5: Solve for x
    x = 676,591,139.04/27,856.40
  6. Step 6: Final answer
    x = 24,288.53

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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.