Home / 28,805.82-43,208.68-11,263.35

Finding the Fourth Proportional to 28,805.82, 43,208.68 and 11,263.35

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Solution

The fourth proportional to 28,805.82, 43,208.68 and 11,263.35 is: 16,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.82 : 43,208.68 = 11,263.35 : x
  2. Step 2: Convert to fraction form
    28,805.82/43,208.68 = 11,263.35/x
  3. Step 3: Cross multiply
    28,805.82x = 43,208.68 × 11,263.35
  4. Step 4: Simplify right side
    28,805.82x = 486,674,377.86
  5. Step 5: Solve for x
    x = 486,674,377.86/28,805.82
  6. Step 6: Final answer
    x = 16,895.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.