Home / 28,829.07-39,784.35-16,081.83

Finding the Fourth Proportional to 28,829.07, 39,784.35 and 16,081.83

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Solution

The fourth proportional to 28,829.07, 39,784.35 and 16,081.83 is: 22,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.07 : 39,784.35 = 16,081.83 : x
  2. Step 2: Convert to fraction form
    28,829.07/39,784.35 = 16,081.83/x
  3. Step 3: Cross multiply
    28,829.07x = 39,784.35 × 16,081.83
  4. Step 4: Simplify right side
    28,829.07x = 639,805,153.36
  5. Step 5: Solve for x
    x = 639,805,153.36/28,829.07
  6. Step 6: Final answer
    x = 22,193.06

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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.