Home / 28,066.36-42,106.26-9,346.56

Finding the Fourth Proportional to 28,066.36, 42,106.26 and 9,346.56

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Solution

The fourth proportional to 28,066.36, 42,106.26 and 9,346.56 is: 14,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066.36 : 42,106.26 = 9,346.56 : x
  2. Step 2: Convert to fraction form
    28,066.36/42,106.26 = 9,346.56/x
  3. Step 3: Cross multiply
    28,066.36x = 42,106.26 × 9,346.56
  4. Step 4: Simplify right side
    28,066.36x = 393,548,553.98
  5. Step 5: Solve for x
    x = 393,548,553.98/28,066.36
  6. Step 6: Final answer
    x = 14,022.07

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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.