Home / 28,609.45-39,473.12-16,509.09

Finding the Fourth Proportional to 28,609.45, 39,473.12 and 16,509.09

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Solution

The fourth proportional to 28,609.45, 39,473.12 and 16,509.09 is: 22,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609.45 : 39,473.12 = 16,509.09 : x
  2. Step 2: Convert to fraction form
    28,609.45/39,473.12 = 16,509.09/x
  3. Step 3: Cross multiply
    28,609.45x = 39,473.12 × 16,509.09
  4. Step 4: Simplify right side
    28,609.45x = 651,665,311.30
  5. Step 5: Solve for x
    x = 651,665,311.30/28,609.45
  6. Step 6: Final answer
    x = 22,777.97

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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.