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Finding the Fourth Proportional to 17,489.68, 26,235.08 and 5,802.56

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Solution

The fourth proportional to 17,489.68, 26,235.08 and 5,802.56 is: 8,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.68 : 26,235.08 = 5,802.56 : x
  2. Step 2: Convert to fraction form
    17,489.68/26,235.08 = 5,802.56/x
  3. Step 3: Cross multiply
    17,489.68x = 26,235.08 × 5,802.56
  4. Step 4: Simplify right side
    17,489.68x = 152,230,625.80
  5. Step 5: Solve for x
    x = 152,230,625.80/17,489.68
  6. Step 6: Final answer
    x = 8,704.03

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1.5x scale

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.