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Finding the Fourth Proportional to 39,365.88, 59,058.03 and 15,674.87

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Solution

The fourth proportional to 39,365.88, 59,058.03 and 15,674.87 is: 23,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365.88 : 59,058.03 = 15,674.87 : x
  2. Step 2: Convert to fraction form
    39,365.88/59,058.03 = 15,674.87/x
  3. Step 3: Cross multiply
    39,365.88x = 59,058.03 × 15,674.87
  4. Step 4: Simplify right side
    39,365.88x = 925,726,647.42
  5. Step 5: Solve for x
    x = 925,726,647.42/39,365.88
  6. Step 6: Final answer
    x = 23,515.96

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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.