Home / 28,692.99-43,047.86-12,044.25

Finding the Fourth Proportional to 28,692.99, 43,047.86 and 12,044.25

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Solution

The fourth proportional to 28,692.99, 43,047.86 and 12,044.25 is: 18,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.99 : 43,047.86 = 12,044.25 : x
  2. Step 2: Convert to fraction form
    28,692.99/43,047.86 = 12,044.25/x
  3. Step 3: Cross multiply
    28,692.99x = 43,047.86 × 12,044.25
  4. Step 4: Simplify right side
    28,692.99x = 518,479,127.58
  5. Step 5: Solve for x
    x = 518,479,127.58/28,692.99
  6. Step 6: Final answer
    x = 18,069.89

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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.