Home / 26,665.54-40,009.99-12,635.58

Finding the Fourth Proportional to 26,665.54, 40,009.99 and 12,635.58

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Solution

The fourth proportional to 26,665.54, 40,009.99 and 12,635.58 is: 18,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.54 : 40,009.99 = 12,635.58 : x
  2. Step 2: Convert to fraction form
    26,665.54/40,009.99 = 12,635.58/x
  3. Step 3: Cross multiply
    26,665.54x = 40,009.99 × 12,635.58
  4. Step 4: Simplify right side
    26,665.54x = 505,549,429.44
  5. Step 5: Solve for x
    x = 505,549,429.44/26,665.54
  6. Step 6: Final answer
    x = 18,958.90

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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.