Home / 28,782.12-39,716-16,033.26

Finding the Fourth Proportional to 28,782.12, 39,716 and 16,033.26

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Solution

The fourth proportional to 28,782.12, 39,716 and 16,033.26 is: 22,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.12 : 39,716 = 16,033.26 : x
  2. Step 2: Convert to fraction form
    28,782.12/39,716 = 16,033.26/x
  3. Step 3: Cross multiply
    28,782.12x = 39,716 × 16,033.26
  4. Step 4: Simplify right side
    28,782.12x = 636,776,954.16
  5. Step 5: Solve for x
    x = 636,776,954.16/28,782.12
  6. Step 6: Final answer
    x = 22,124.05

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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.