Home / 26,055.20-39,056.64-12,917.12

Finding the Fourth Proportional to 26,055.20, 39,056.64 and 12,917.12

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Solution

The fourth proportional to 26,055.20, 39,056.64 and 12,917.12 is: 19,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,055.20 : 39,056.64 = 12,917.12 : x
  2. Step 2: Convert to fraction form
    26,055.20/39,056.64 = 12,917.12/x
  3. Step 3: Cross multiply
    26,055.20x = 39,056.64 × 12,917.12
  4. Step 4: Simplify right side
    26,055.20x = 504,499,305.68
  5. Step 5: Solve for x
    x = 504,499,305.68/26,055.20
  6. Step 6: Final answer
    x = 19,362.71

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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.