Home / 28,567.05-42,850.64-9,847.54

Finding the Fourth Proportional to 28,567.05, 42,850.64 and 9,847.54

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Solution

The fourth proportional to 28,567.05, 42,850.64 and 9,847.54 is: 14,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.05 : 42,850.64 = 9,847.54 : x
  2. Step 2: Convert to fraction form
    28,567.05/42,850.64 = 9,847.54/x
  3. Step 3: Cross multiply
    28,567.05x = 42,850.64 × 9,847.54
  4. Step 4: Simplify right side
    28,567.05x = 421,973,391.43
  5. Step 5: Solve for x
    x = 421,973,391.43/28,567.05
  6. Step 6: Final answer
    x = 14,771.33

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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.