Home / 18,676.62-28,017.63-5,527.26

Finding the Fourth Proportional to 18,676.62, 28,017.63 and 5,527.26

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Solution

The fourth proportional to 18,676.62, 28,017.63 and 5,527.26 is: 8,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.62 : 28,017.63 = 5,527.26 : x
  2. Step 2: Convert to fraction form
    18,676.62/28,017.63 = 5,527.26/x
  3. Step 3: Cross multiply
    18,676.62x = 28,017.63 × 5,527.26
  4. Step 4: Simplify right side
    18,676.62x = 154,860,725.59
  5. Step 5: Solve for x
    x = 154,860,725.59/18,676.62
  6. Step 6: Final answer
    x = 8,291.69

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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.