Home / 28,334.91-42,493.19-9,355.28

Finding the Fourth Proportional to 28,334.91, 42,493.19 and 9,355.28

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Solution

The fourth proportional to 28,334.91, 42,493.19 and 9,355.28 is: 14,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.91 : 42,493.19 = 9,355.28 : x
  2. Step 2: Convert to fraction form
    28,334.91/42,493.19 = 9,355.28/x
  3. Step 3: Cross multiply
    28,334.91x = 42,493.19 × 9,355.28
  4. Step 4: Simplify right side
    28,334.91x = 397,535,670.33
  5. Step 5: Solve for x
    x = 397,535,670.33/28,334.91
  6. Step 6: Final answer
    x = 14,029.89

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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.