Home / 28,943.96-43,415.13-9,223.70

Finding the Fourth Proportional to 28,943.96, 43,415.13 and 9,223.70

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Solution

The fourth proportional to 28,943.96, 43,415.13 and 9,223.70 is: 13,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.96 : 43,415.13 = 9,223.70 : x
  2. Step 2: Convert to fraction form
    28,943.96/43,415.13 = 9,223.70/x
  3. Step 3: Cross multiply
    28,943.96x = 43,415.13 × 9,223.70
  4. Step 4: Simplify right side
    28,943.96x = 400,448,134.58
  5. Step 5: Solve for x
    x = 400,448,134.58/28,943.96
  6. Step 6: Final answer
    x = 13,835.29

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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.