Home / 26,390.21-36,418.12-14,453.54

Finding the Fourth Proportional to 26,390.21, 36,418.12 and 14,453.54

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Solution

The fourth proportional to 26,390.21, 36,418.12 and 14,453.54 is: 19,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.21 : 36,418.12 = 14,453.54 : x
  2. Step 2: Convert to fraction form
    26,390.21/36,418.12 = 14,453.54/x
  3. Step 3: Cross multiply
    26,390.21x = 36,418.12 × 14,453.54
  4. Step 4: Simplify right side
    26,390.21x = 526,370,958.64
  5. Step 5: Solve for x
    x = 526,370,958.64/26,390.21
  6. Step 6: Final answer
    x = 19,945.69

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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.