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Finding the Fourth Proportional to 25,907.73, 38,859.99 and 9,266.95

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Solution

The fourth proportional to 25,907.73, 38,859.99 and 9,266.95 is: 13,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907.73 : 38,859.99 = 9,266.95 : x
  2. Step 2: Convert to fraction form
    25,907.73/38,859.99 = 9,266.95/x
  3. Step 3: Cross multiply
    25,907.73x = 38,859.99 × 9,266.95
  4. Step 4: Simplify right side
    25,907.73x = 360,113,584.33
  5. Step 5: Solve for x
    x = 360,113,584.33/25,907.73
  6. Step 6: Final answer
    x = 13,899.85

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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.