Home / 26,858.02-40,285.56-8,137.30

Finding the Fourth Proportional to 26,858.02, 40,285.56 and 8,137.30

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Solution

The fourth proportional to 26,858.02, 40,285.56 and 8,137.30 is: 12,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,858.02 : 40,285.56 = 8,137.30 : x
  2. Step 2: Convert to fraction form
    26,858.02/40,285.56 = 8,137.30/x
  3. Step 3: Cross multiply
    26,858.02x = 40,285.56 × 8,137.30
  4. Step 4: Simplify right side
    26,858.02x = 327,815,687.39
  5. Step 5: Solve for x
    x = 327,815,687.39/26,858.02
  6. Step 6: Final answer
    x = 12,205.50

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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.