Home / 28,692.56-39,599.46-16,117.31

Finding the Fourth Proportional to 28,692.56, 39,599.46 and 16,117.31

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Solution

The fourth proportional to 28,692.56, 39,599.46 and 16,117.31 is: 22,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.56 : 39,599.46 = 16,117.31 : x
  2. Step 2: Convert to fraction form
    28,692.56/39,599.46 = 16,117.31/x
  3. Step 3: Cross multiply
    28,692.56x = 39,599.46 × 16,117.31
  4. Step 4: Simplify right side
    28,692.56x = 638,236,871.65
  5. Step 5: Solve for x
    x = 638,236,871.65/28,692.56
  6. Step 6: Final answer
    x = 22,243.98

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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.