Home / 28,832.76-39,779.87-16,083.88

Finding the Fourth Proportional to 28,832.76, 39,779.87 and 16,083.88

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Solution

The fourth proportional to 28,832.76, 39,779.87 and 16,083.88 is: 22,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832.76 : 39,779.87 = 16,083.88 : x
  2. Step 2: Convert to fraction form
    28,832.76/39,779.87 = 16,083.88/x
  3. Step 3: Cross multiply
    28,832.76x = 39,779.87 × 16,083.88
  4. Step 4: Simplify right side
    28,832.76x = 639,814,475.63
  5. Step 5: Solve for x
    x = 639,814,475.63/28,832.76
  6. Step 6: Final answer
    x = 22,190.54

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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.