Home / 21,770.90-32,667.30-16,235.36

Finding the Fourth Proportional to 21,770.90, 32,667.30 and 16,235.36

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Solution

The fourth proportional to 21,770.90, 32,667.30 and 16,235.36 is: 24,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.90 : 32,667.30 = 16,235.36 : x
  2. Step 2: Convert to fraction form
    21,770.90/32,667.30 = 16,235.36/x
  3. Step 3: Cross multiply
    21,770.90x = 32,667.30 × 16,235.36
  4. Step 4: Simplify right side
    21,770.90x = 530,365,212.39
  5. Step 5: Solve for x
    x = 530,365,212.39/21,770.90
  6. Step 6: Final answer
    x = 24,361.20

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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.