Home / 26,685.09-40,029.87-7,963.89

Finding the Fourth Proportional to 26,685.09, 40,029.87 and 7,963.89

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Solution

The fourth proportional to 26,685.09, 40,029.87 and 7,963.89 is: 11,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.09 : 40,029.87 = 7,963.89 : x
  2. Step 2: Convert to fraction form
    26,685.09/40,029.87 = 7,963.89/x
  3. Step 3: Cross multiply
    26,685.09x = 40,029.87 × 7,963.89
  4. Step 4: Simplify right side
    26,685.09x = 318,793,481.39
  5. Step 5: Solve for x
    x = 318,793,481.39/26,685.09
  6. Step 6: Final answer
    x = 11,946.50

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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.