Home / 28,813.90-43,226.67-12,173.98

Finding the Fourth Proportional to 28,813.90, 43,226.67 and 12,173.98

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Solution

The fourth proportional to 28,813.90, 43,226.67 and 12,173.98 is: 18,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813.90 : 43,226.67 = 12,173.98 : x
  2. Step 2: Convert to fraction form
    28,813.90/43,226.67 = 12,173.98/x
  3. Step 3: Cross multiply
    28,813.90x = 43,226.67 × 12,173.98
  4. Step 4: Simplify right side
    28,813.90x = 526,240,616.05
  5. Step 5: Solve for x
    x = 526,240,616.05/28,813.90
  6. Step 6: Final answer
    x = 18,263.43

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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.