Home / 28,836.79-43,239.76-14,791.07

Finding the Fourth Proportional to 28,836.79, 43,239.76 and 14,791.07

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Solution

The fourth proportional to 28,836.79, 43,239.76 and 14,791.07 is: 22,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.79 : 43,239.76 = 14,791.07 : x
  2. Step 2: Convert to fraction form
    28,836.79/43,239.76 = 14,791.07/x
  3. Step 3: Cross multiply
    28,836.79x = 43,239.76 × 14,791.07
  4. Step 4: Simplify right side
    28,836.79x = 639,562,388.06
  5. Step 5: Solve for x
    x = 639,562,388.06/28,836.79
  6. Step 6: Final answer
    x = 22,178.70

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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.