Home / 26,103.87-39,120.92-13,597.68

Finding the Fourth Proportional to 26,103.87, 39,120.92 and 13,597.68

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Solution

The fourth proportional to 26,103.87, 39,120.92 and 13,597.68 is: 20,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,103.87 : 39,120.92 = 13,597.68 : x
  2. Step 2: Convert to fraction form
    26,103.87/39,120.92 = 13,597.68/x
  3. Step 3: Cross multiply
    26,103.87x = 39,120.92 × 13,597.68
  4. Step 4: Simplify right side
    26,103.87x = 531,953,751.47
  5. Step 5: Solve for x
    x = 531,953,751.47/26,103.87
  6. Step 6: Final answer
    x = 20,378.35

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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.