Home / 28,755.92-43,133.78-9,036.02

Finding the Fourth Proportional to 28,755.92, 43,133.78 and 9,036.02

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Solution

The fourth proportional to 28,755.92, 43,133.78 and 9,036.02 is: 13,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.92 : 43,133.78 = 9,036.02 : x
  2. Step 2: Convert to fraction form
    28,755.92/43,133.78 = 9,036.02/x
  3. Step 3: Cross multiply
    28,755.92x = 43,133.78 × 9,036.02
  4. Step 4: Simplify right side
    28,755.92x = 389,757,698.76
  5. Step 5: Solve for x
    x = 389,757,698.76/28,755.92
  6. Step 6: Final answer
    x = 13,554.00

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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.