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Finding the Fourth Proportional to 17,719.14, 26,527.22 and 10,300.98

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Solution

The fourth proportional to 17,719.14, 26,527.22 and 10,300.98 is: 15,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.14 : 26,527.22 = 10,300.98 : x
  2. Step 2: Convert to fraction form
    17,719.14/26,527.22 = 10,300.98/x
  3. Step 3: Cross multiply
    17,719.14x = 26,527.22 × 10,300.98
  4. Step 4: Simplify right side
    17,719.14x = 273,256,362.68
  5. Step 5: Solve for x
    x = 273,256,362.68/17,719.14
  6. Step 6: Final answer
    x = 15,421.54

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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.