Home / 26,078.73-36,005.22-20,099.31

Finding the Fourth Proportional to 26,078.73, 36,005.22 and 20,099.31

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Solution

The fourth proportional to 26,078.73, 36,005.22 and 20,099.31 is: 27,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.73 : 36,005.22 = 20,099.31 : x
  2. Step 2: Convert to fraction form
    26,078.73/36,005.22 = 20,099.31/x
  3. Step 3: Cross multiply
    26,078.73x = 36,005.22 × 20,099.31
  4. Step 4: Simplify right side
    26,078.73x = 723,680,078.40
  5. Step 5: Solve for x
    x = 723,680,078.40/26,078.73
  6. Step 6: Final answer
    x = 27,749.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.