Home / 26,098.87-39,078.78-17,795.20

Finding the Fourth Proportional to 26,098.87, 39,078.78 and 17,795.20

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Solution

The fourth proportional to 26,098.87, 39,078.78 and 17,795.20 is: 26,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,098.87 : 39,078.78 = 17,795.20 : x
  2. Step 2: Convert to fraction form
    26,098.87/39,078.78 = 17,795.20/x
  3. Step 3: Cross multiply
    26,098.87x = 39,078.78 × 17,795.20
  4. Step 4: Simplify right side
    26,098.87x = 695,414,705.86
  5. Step 5: Solve for x
    x = 695,414,705.86/26,098.87
  6. Step 6: Final answer
    x = 26,645.40

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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.