Home / 28,730.00-39,652.27-16,628.73

Finding the Fourth Proportional to 28,730.00, 39,652.27 and 16,628.73

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Solution

The fourth proportional to 28,730.00, 39,652.27 and 16,628.73 is: 22,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.00 : 39,652.27 = 16,628.73 : x
  2. Step 2: Convert to fraction form
    28,730.00/39,652.27 = 16,628.73/x
  3. Step 3: Cross multiply
    28,730.00x = 39,652.27 × 16,628.73
  4. Step 4: Simplify right side
    28,730.00x = 659,366,701.45
  5. Step 5: Solve for x
    x = 659,366,701.45/28,730.00
  6. Step 6: Final answer
    x = 22,950.46

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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.