Home / 25,731-38,661.03-16,375.05

Finding the Fourth Proportional to 25,731, 38,661.03 and 16,375.05

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Solution

The fourth proportional to 25,731, 38,661.03 and 16,375.05 is: 24,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731 : 38,661.03 = 16,375.05 : x
  2. Step 2: Convert to fraction form
    25,731/38,661.03 = 16,375.05/x
  3. Step 3: Cross multiply
    25,731x = 38,661.03 × 16,375.05
  4. Step 4: Simplify right side
    25,731x = 633,076,299.30
  5. Step 5: Solve for x
    x = 633,076,299.30/25,731
  6. Step 6: Final answer
    x = 24,603.64

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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.