Home / 28,277.43-39,011.67-16,338.57

Finding the Fourth Proportional to 28,277.43, 39,011.67 and 16,338.57

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Solution

The fourth proportional to 28,277.43, 39,011.67 and 16,338.57 is: 22,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.43 : 39,011.67 = 16,338.57 : x
  2. Step 2: Convert to fraction form
    28,277.43/39,011.67 = 16,338.57/x
  3. Step 3: Cross multiply
    28,277.43x = 39,011.67 × 16,338.57
  4. Step 4: Simplify right side
    28,277.43x = 637,394,901.11
  5. Step 5: Solve for x
    x = 637,394,901.11/28,277.43
  6. Step 6: Final answer
    x = 22,540.76

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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.