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Finding the Fourth Proportional to 38,538, 57,807 and 9,354

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Solution

The fourth proportional to 38,538, 57,807 and 9,354 is: 14,031

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538 : 57,807 = 9,354 : x
  2. Step 2: Convert to fraction form
    38,538/57,807 = 9,354/x
  3. Step 3: Cross multiply
    38,538x = 57,807 × 9,354
  4. Step 4: Simplify right side
    38,538x = 540,726,678
  5. Step 5: Solve for x
    x = 540,726,678/38,538
  6. Step 6: Final answer
    x = 14,031

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.