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Finding the Fourth Proportional to 23,415.69, 32,315.85 and 12,806.85

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Solution

The fourth proportional to 23,415.69, 32,315.85 and 12,806.85 is: 17,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.69 : 32,315.85 = 12,806.85 : x
  2. Step 2: Convert to fraction form
    23,415.69/32,315.85 = 12,806.85/x
  3. Step 3: Cross multiply
    23,415.69x = 32,315.85 × 12,806.85
  4. Step 4: Simplify right side
    23,415.69x = 413,864,243.57
  5. Step 5: Solve for x
    x = 413,864,243.57/23,415.69
  6. Step 6: Final answer
    x = 17,674.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.