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Finding the Fourth Proportional to 36,692.32, 55,028.24 and 11,394.24

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Solution

The fourth proportional to 36,692.32, 55,028.24 and 11,394.24 is: 17,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,692.32 : 55,028.24 = 11,394.24 : x
  2. Step 2: Convert to fraction form
    36,692.32/55,028.24 = 11,394.24/x
  3. Step 3: Cross multiply
    36,692.32x = 55,028.24 × 11,394.24
  4. Step 4: Simplify right side
    36,692.32x = 627,004,973.34
  5. Step 5: Solve for x
    x = 627,004,973.34/36,692.32
  6. Step 6: Final answer
    x = 17,088.18

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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.