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Finding the Fourth Proportional to 17,672.86, 26,510.19 and 4,525.39

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Solution

The fourth proportional to 17,672.86, 26,510.19 and 4,525.39 is: 6,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.86 : 26,510.19 = 4,525.39 : x
  2. Step 2: Convert to fraction form
    17,672.86/26,510.19 = 4,525.39/x
  3. Step 3: Cross multiply
    17,672.86x = 26,510.19 × 4,525.39
  4. Step 4: Simplify right side
    17,672.86x = 119,968,948.72
  5. Step 5: Solve for x
    x = 119,968,948.72/17,672.86
  6. Step 6: Final answer
    x = 6,788.32

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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.