Home / 26,858.17-40,232.41-12,775.60

Finding the Fourth Proportional to 26,858.17, 40,232.41 and 12,775.60

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Solution

The fourth proportional to 26,858.17, 40,232.41 and 12,775.60 is: 19,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,858.17 : 40,232.41 = 12,775.60 : x
  2. Step 2: Convert to fraction form
    26,858.17/40,232.41 = 12,775.60/x
  3. Step 3: Cross multiply
    26,858.17x = 40,232.41 × 12,775.60
  4. Step 4: Simplify right side
    26,858.17x = 513,993,177.20
  5. Step 5: Solve for x
    x = 513,993,177.20/26,858.17
  6. Step 6: Final answer
    x = 19,137.31

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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.