Home / 25,768.34-38,667.10-10,975.72

Finding the Fourth Proportional to 25,768.34, 38,667.10 and 10,975.72

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Solution

The fourth proportional to 25,768.34, 38,667.10 and 10,975.72 is: 16,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.34 : 38,667.10 = 10,975.72 : x
  2. Step 2: Convert to fraction form
    25,768.34/38,667.10 = 10,975.72/x
  3. Step 3: Cross multiply
    25,768.34x = 38,667.10 × 10,975.72
  4. Step 4: Simplify right side
    25,768.34x = 424,399,262.81
  5. Step 5: Solve for x
    x = 424,399,262.81/25,768.34
  6. Step 6: Final answer
    x = 16,469.79

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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.