Home / 28,612.53-42,906.92-11,072.25

Finding the Fourth Proportional to 28,612.53, 42,906.92 and 11,072.25

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Solution

The fourth proportional to 28,612.53, 42,906.92 and 11,072.25 is: 16,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,612.53 : 42,906.92 = 11,072.25 : x
  2. Step 2: Convert to fraction form
    28,612.53/42,906.92 = 11,072.25/x
  3. Step 3: Cross multiply
    28,612.53x = 42,906.92 × 11,072.25
  4. Step 4: Simplify right side
    28,612.53x = 475,076,089.61
  5. Step 5: Solve for x
    x = 475,076,089.61/28,612.53
  6. Step 6: Final answer
    x = 16,603.78

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1.5x scale

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.