Home / 28,083.02-42,110.40-9,356.42

Finding the Fourth Proportional to 28,083.02, 42,110.40 and 9,356.42

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Solution

The fourth proportional to 28,083.02, 42,110.40 and 9,356.42 is: 14,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.02 : 42,110.40 = 9,356.42 : x
  2. Step 2: Convert to fraction form
    28,083.02/42,110.40 = 9,356.42/x
  3. Step 3: Cross multiply
    28,083.02x = 42,110.40 × 9,356.42
  4. Step 4: Simplify right side
    28,083.02x = 394,002,588.77
  5. Step 5: Solve for x
    x = 394,002,588.77/28,083.02
  6. Step 6: Final answer
    x = 14,029.92

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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.