Home / 27,861.58-41,806.74-18,508.06

Finding the Fourth Proportional to 27,861.58, 41,806.74 and 18,508.06

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Solution

The fourth proportional to 27,861.58, 41,806.74 and 18,508.06 is: 27,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.58 : 41,806.74 = 18,508.06 : x
  2. Step 2: Convert to fraction form
    27,861.58/41,806.74 = 18,508.06/x
  3. Step 3: Cross multiply
    27,861.58x = 41,806.74 × 18,508.06
  4. Step 4: Simplify right side
    27,861.58x = 773,761,652.32
  5. Step 5: Solve for x
    x = 773,761,652.32/27,861.58
  6. Step 6: Final answer
    x = 27,771.64

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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.