Home / 21,839.95-32,759.93-8,692.43

Finding the Fourth Proportional to 21,839.95, 32,759.93 and 8,692.43

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Solution

The fourth proportional to 21,839.95, 32,759.93 and 8,692.43 is: 13,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.95 : 32,759.93 = 8,692.43 : x
  2. Step 2: Convert to fraction form
    21,839.95/32,759.93 = 8,692.43/x
  3. Step 3: Cross multiply
    21,839.95x = 32,759.93 × 8,692.43
  4. Step 4: Simplify right side
    21,839.95x = 284,763,436.77
  5. Step 5: Solve for x
    x = 284,763,436.77/21,839.95
  6. Step 6: Final answer
    x = 13,038.65

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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.