Home / 26,169.62-36,100.69-15,406.88

Finding the Fourth Proportional to 26,169.62, 36,100.69 and 15,406.88

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Solution

The fourth proportional to 26,169.62, 36,100.69 and 15,406.88 is: 21,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.62 : 36,100.69 = 15,406.88 : x
  2. Step 2: Convert to fraction form
    26,169.62/36,100.69 = 15,406.88/x
  3. Step 3: Cross multiply
    26,169.62x = 36,100.69 × 15,406.88
  4. Step 4: Simplify right side
    26,169.62x = 556,198,779.73
  5. Step 5: Solve for x
    x = 556,198,779.73/26,169.62
  6. Step 6: Final answer
    x = 21,253.61

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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.