Home / 21,692.48-29,933.76-12,619.52

Finding the Fourth Proportional to 21,692.48, 29,933.76 and 12,619.52

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Solution

The fourth proportional to 21,692.48, 29,933.76 and 12,619.52 is: 17,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.48 : 29,933.76 = 12,619.52 : x
  2. Step 2: Convert to fraction form
    21,692.48/29,933.76 = 12,619.52/x
  3. Step 3: Cross multiply
    21,692.48x = 29,933.76 × 12,619.52
  4. Step 4: Simplify right side
    21,692.48x = 377,749,683.00
  5. Step 5: Solve for x
    x = 377,749,683.00/21,692.48
  6. Step 6: Final answer
    x = 17,413.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.