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Finding the Fourth Proportional to 17,804.71, 26,706.69 and 5,324.77

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Solution

The fourth proportional to 17,804.71, 26,706.69 and 5,324.77 is: 7,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,804.71 : 26,706.69 = 5,324.77 : x
  2. Step 2: Convert to fraction form
    17,804.71/26,706.69 = 5,324.77/x
  3. Step 3: Cross multiply
    17,804.71x = 26,706.69 × 5,324.77
  4. Step 4: Simplify right side
    17,804.71x = 142,206,981.71
  5. Step 5: Solve for x
    x = 142,206,981.71/17,804.71
  6. Step 6: Final answer
    x = 7,987.04

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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.