Home / 26,690.52-40,009.86-11,112.60

Finding the Fourth Proportional to 26,690.52, 40,009.86 and 11,112.60

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Solution

The fourth proportional to 26,690.52, 40,009.86 and 11,112.60 is: 16,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.52 : 40,009.86 = 11,112.60 : x
  2. Step 2: Convert to fraction form
    26,690.52/40,009.86 = 11,112.60/x
  3. Step 3: Cross multiply
    26,690.52x = 40,009.86 × 11,112.60
  4. Step 4: Simplify right side
    26,690.52x = 444,613,570.24
  5. Step 5: Solve for x
    x = 444,613,570.24/26,690.52
  6. Step 6: Final answer
    x = 16,658.11

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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.