Home / 28,335.34-42,488.43-11,692.27

Finding the Fourth Proportional to 28,335.34, 42,488.43 and 11,692.27

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Solution

The fourth proportional to 28,335.34, 42,488.43 and 11,692.27 is: 17,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.34 : 42,488.43 = 11,692.27 : x
  2. Step 2: Convert to fraction form
    28,335.34/42,488.43 = 11,692.27/x
  3. Step 3: Cross multiply
    28,335.34x = 42,488.43 × 11,692.27
  4. Step 4: Simplify right side
    28,335.34x = 496,786,195.44
  5. Step 5: Solve for x
    x = 496,786,195.44/28,335.34
  6. Step 6: Final answer
    x = 17,532.39

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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.