Home / 28,857.22-43,302.03-13,276.06

Finding the Fourth Proportional to 28,857.22, 43,302.03 and 13,276.06

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Solution

The fourth proportional to 28,857.22, 43,302.03 and 13,276.06 is: 19,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.22 : 43,302.03 = 13,276.06 : x
  2. Step 2: Convert to fraction form
    28,857.22/43,302.03 = 13,276.06/x
  3. Step 3: Cross multiply
    28,857.22x = 43,302.03 × 13,276.06
  4. Step 4: Simplify right side
    28,857.22x = 574,880,348.40
  5. Step 5: Solve for x
    x = 574,880,348.40/28,857.22
  6. Step 6: Final answer
    x = 19,921.54

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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.