Home / 26,809.81-40,201.72-8,086.39

Finding the Fourth Proportional to 26,809.81, 40,201.72 and 8,086.39

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Solution

The fourth proportional to 26,809.81, 40,201.72 and 8,086.39 is: 12,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,809.81 : 40,201.72 = 8,086.39 : x
  2. Step 2: Convert to fraction form
    26,809.81/40,201.72 = 8,086.39/x
  3. Step 3: Cross multiply
    26,809.81x = 40,201.72 × 8,086.39
  4. Step 4: Simplify right side
    26,809.81x = 325,086,746.16
  5. Step 5: Solve for x
    x = 325,086,746.16/26,809.81
  6. Step 6: Final answer
    x = 12,125.66

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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.