Home / 28,692.70-39,582.27-19,137

Finding the Fourth Proportional to 28,692.70, 39,582.27 and 19,137

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Solution

The fourth proportional to 28,692.70, 39,582.27 and 19,137 is: 26,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.70 : 39,582.27 = 19,137 : x
  2. Step 2: Convert to fraction form
    28,692.70/39,582.27 = 19,137/x
  3. Step 3: Cross multiply
    28,692.70x = 39,582.27 × 19,137
  4. Step 4: Simplify right side
    28,692.70x = 757,485,900.99
  5. Step 5: Solve for x
    x = 757,485,900.99/28,692.70
  6. Step 6: Final answer
    x = 26,399.95

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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.