Home / 26,765.60-40,105.20-16,887.20

Finding the Fourth Proportional to 26,765.60, 40,105.20 and 16,887.20

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Solution

The fourth proportional to 26,765.60, 40,105.20 and 16,887.20 is: 25,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,765.60 : 40,105.20 = 16,887.20 : x
  2. Step 2: Convert to fraction form
    26,765.60/40,105.20 = 16,887.20/x
  3. Step 3: Cross multiply
    26,765.60x = 40,105.20 × 16,887.20
  4. Step 4: Simplify right side
    26,765.60x = 677,264,533.44
  5. Step 5: Solve for x
    x = 677,264,533.44/26,765.60
  6. Step 6: Final answer
    x = 25,303.54

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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.