Home / 28,825.83-39,779.70-16,078.68

Finding the Fourth Proportional to 28,825.83, 39,779.70 and 16,078.68

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Solution

The fourth proportional to 28,825.83, 39,779.70 and 16,078.68 is: 22,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.83 : 39,779.70 = 16,078.68 : x
  2. Step 2: Convert to fraction form
    28,825.83/39,779.70 = 16,078.68/x
  3. Step 3: Cross multiply
    28,825.83x = 39,779.70 × 16,078.68
  4. Step 4: Simplify right side
    28,825.83x = 639,605,141.58
  5. Step 5: Solve for x
    x = 639,605,141.58/28,825.83
  6. Step 6: Final answer
    x = 22,188.61

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1.5x scale

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.