Home / 28,321.72-42,424.26-16,606.69

Finding the Fourth Proportional to 28,321.72, 42,424.26 and 16,606.69

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Solution

The fourth proportional to 28,321.72, 42,424.26 and 16,606.69 is: 24,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321.72 : 42,424.26 = 16,606.69 : x
  2. Step 2: Convert to fraction form
    28,321.72/42,424.26 = 16,606.69/x
  3. Step 3: Cross multiply
    28,321.72x = 42,424.26 × 16,606.69
  4. Step 4: Simplify right side
    28,321.72x = 704,526,365.96
  5. Step 5: Solve for x
    x = 704,526,365.96/28,321.72
  6. Step 6: Final answer
    x = 24,875.83

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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.