Home / 28,073.61-42,035.85-16,965.27

Finding the Fourth Proportional to 28,073.61, 42,035.85 and 16,965.27

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Solution

The fourth proportional to 28,073.61, 42,035.85 and 16,965.27 is: 25,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.61 : 42,035.85 = 16,965.27 : x
  2. Step 2: Convert to fraction form
    28,073.61/42,035.85 = 16,965.27/x
  3. Step 3: Cross multiply
    28,073.61x = 42,035.85 × 16,965.27
  4. Step 4: Simplify right side
    28,073.61x = 713,149,544.93
  5. Step 5: Solve for x
    x = 713,149,544.93/28,073.61
  6. Step 6: Final answer
    x = 25,402.84

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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.