Home / 27,712.03-41,573.88-8,990.61

Finding the Fourth Proportional to 27,712.03, 41,573.88 and 8,990.61

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Solution

The fourth proportional to 27,712.03, 41,573.88 and 8,990.61 is: 13,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.03 : 41,573.88 = 8,990.61 : x
  2. Step 2: Convert to fraction form
    27,712.03/41,573.88 = 8,990.61/x
  3. Step 3: Cross multiply
    27,712.03x = 41,573.88 × 8,990.61
  4. Step 4: Simplify right side
    27,712.03x = 373,774,541.27
  5. Step 5: Solve for x
    x = 373,774,541.27/27,712.03
  6. Step 6: Final answer
    x = 13,487.81

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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.