Home / 28,360.35-42,540.53-7,583.31

Finding the Fourth Proportional to 28,360.35, 42,540.53 and 7,583.31

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Solution

The fourth proportional to 28,360.35, 42,540.53 and 7,583.31 is: 11,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.35 : 42,540.53 = 7,583.31 : x
  2. Step 2: Convert to fraction form
    28,360.35/42,540.53 = 7,583.31/x
  3. Step 3: Cross multiply
    28,360.35x = 42,540.53 × 7,583.31
  4. Step 4: Simplify right side
    28,360.35x = 322,598,026.55
  5. Step 5: Solve for x
    x = 322,598,026.55/28,360.35
  6. Step 6: Final answer
    x = 11,374.97

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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.