Home / 21,273.35-31,907.60-5,692.19

Finding the Fourth Proportional to 21,273.35, 31,907.60 and 5,692.19

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Solution

The fourth proportional to 21,273.35, 31,907.60 and 5,692.19 is: 8,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.35 : 31,907.60 = 5,692.19 : x
  2. Step 2: Convert to fraction form
    21,273.35/31,907.60 = 5,692.19/x
  3. Step 3: Cross multiply
    21,273.35x = 31,907.60 × 5,692.19
  4. Step 4: Simplify right side
    21,273.35x = 181,624,121.64
  5. Step 5: Solve for x
    x = 181,624,121.64/21,273.35
  6. Step 6: Final answer
    x = 8,537.64

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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.