Home / 27,859.20-41,795.37-8,138.22

Finding the Fourth Proportional to 27,859.20, 41,795.37 and 8,138.22

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Solution

The fourth proportional to 27,859.20, 41,795.37 and 8,138.22 is: 12,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.20 : 41,795.37 = 8,138.22 : x
  2. Step 2: Convert to fraction form
    27,859.20/41,795.37 = 8,138.22/x
  3. Step 3: Cross multiply
    27,859.20x = 41,795.37 × 8,138.22
  4. Step 4: Simplify right side
    27,859.20x = 340,139,916.04
  5. Step 5: Solve for x
    x = 340,139,916.04/27,859.20
  6. Step 6: Final answer
    x = 12,209.25

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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.