Home / 20,692.62-31,054.77-14,688.27

Finding the Fourth Proportional to 20,692.62, 31,054.77 and 14,688.27

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Solution

The fourth proportional to 20,692.62, 31,054.77 and 14,688.27 is: 22,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692.62 : 31,054.77 = 14,688.27 : x
  2. Step 2: Convert to fraction form
    20,692.62/31,054.77 = 14,688.27/x
  3. Step 3: Cross multiply
    20,692.62x = 31,054.77 × 14,688.27
  4. Step 4: Simplify right side
    20,692.62x = 456,140,846.55
  5. Step 5: Solve for x
    x = 456,140,846.55/20,692.62
  6. Step 6: Final answer
    x = 22,043.65

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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.