Home / 27,485.38-41,225.99-8,764.66

Finding the Fourth Proportional to 27,485.38, 41,225.99 and 8,764.66

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Solution

The fourth proportional to 27,485.38, 41,225.99 and 8,764.66 is: 13,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.38 : 41,225.99 = 8,764.66 : x
  2. Step 2: Convert to fraction form
    27,485.38/41,225.99 = 8,764.66/x
  3. Step 3: Cross multiply
    27,485.38x = 41,225.99 × 8,764.66
  4. Step 4: Simplify right side
    27,485.38x = 361,331,579.38
  5. Step 5: Solve for x
    x = 361,331,579.38/27,485.38
  6. Step 6: Final answer
    x = 13,146.32

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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.