Home / 27,822.02-41,739.88-8,100.74

Finding the Fourth Proportional to 27,822.02, 41,739.88 and 8,100.74

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Solution

The fourth proportional to 27,822.02, 41,739.88 and 8,100.74 is: 12,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.02 : 41,739.88 = 8,100.74 : x
  2. Step 2: Convert to fraction form
    27,822.02/41,739.88 = 8,100.74/x
  3. Step 3: Cross multiply
    27,822.02x = 41,739.88 × 8,100.74
  4. Step 4: Simplify right side
    27,822.02x = 338,123,915.51
  5. Step 5: Solve for x
    x = 338,123,915.51/27,822.02
  6. Step 6: Final answer
    x = 12,153.10

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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.