Home / 28,468.31-39,283.27-16,529.31

Finding the Fourth Proportional to 28,468.31, 39,283.27 and 16,529.31

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Solution

The fourth proportional to 28,468.31, 39,283.27 and 16,529.31 is: 22,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.31 : 39,283.27 = 16,529.31 : x
  2. Step 2: Convert to fraction form
    28,468.31/39,283.27 = 16,529.31/x
  3. Step 3: Cross multiply
    28,468.31x = 39,283.27 × 16,529.31
  4. Step 4: Simplify right side
    28,468.31x = 649,325,306.32
  5. Step 5: Solve for x
    x = 649,325,306.32/28,468.31
  6. Step 6: Final answer
    x = 22,808.71

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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.