Home / 28,052.36-42,069.41-9,327.35

Finding the Fourth Proportional to 28,052.36, 42,069.41 and 9,327.35

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Solution

The fourth proportional to 28,052.36, 42,069.41 and 9,327.35 is: 13,987.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.36 : 42,069.41 = 9,327.35 : x
  2. Step 2: Convert to fraction form
    28,052.36/42,069.41 = 9,327.35/x
  3. Step 3: Cross multiply
    28,052.36x = 42,069.41 × 9,327.35
  4. Step 4: Simplify right side
    28,052.36x = 392,396,204.88
  5. Step 5: Solve for x
    x = 392,396,204.88/28,052.36
  6. Step 6: Final answer
    x = 13,987.99

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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.