Home / 28,764.17-39,693.48-16,017.81

Finding the Fourth Proportional to 28,764.17, 39,693.48 and 16,017.81

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Solution

The fourth proportional to 28,764.17, 39,693.48 and 16,017.81 is: 22,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.17 : 39,693.48 = 16,017.81 : x
  2. Step 2: Convert to fraction form
    28,764.17/39,693.48 = 16,017.81/x
  3. Step 3: Cross multiply
    28,764.17x = 39,693.48 × 16,017.81
  4. Step 4: Simplify right side
    28,764.17x = 635,802,620.88
  5. Step 5: Solve for x
    x = 635,802,620.88/28,764.17
  6. Step 6: Final answer
    x = 22,103.98

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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.