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Finding the Fourth Proportional to 17,907.96, 26,825.02 and 10,489.93

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Solution

The fourth proportional to 17,907.96, 26,825.02 and 10,489.93 is: 15,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.96 : 26,825.02 = 10,489.93 : x
  2. Step 2: Convert to fraction form
    17,907.96/26,825.02 = 10,489.93/x
  3. Step 3: Cross multiply
    17,907.96x = 26,825.02 × 10,489.93
  4. Step 4: Simplify right side
    17,907.96x = 281,392,582.05
  5. Step 5: Solve for x
    x = 281,392,582.05/17,907.96
  6. Step 6: Final answer
    x = 15,713.27

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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.