Home / 28,800.46-39,732.96-17,628.94

Finding the Fourth Proportional to 28,800.46, 39,732.96 and 17,628.94

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Solution

The fourth proportional to 28,800.46, 39,732.96 and 17,628.94 is: 24,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.46 : 39,732.96 = 17,628.94 : x
  2. Step 2: Convert to fraction form
    28,800.46/39,732.96 = 17,628.94/x
  3. Step 3: Cross multiply
    28,800.46x = 39,732.96 × 17,628.94
  4. Step 4: Simplify right side
    28,800.46x = 700,449,967.86
  5. Step 5: Solve for x
    x = 700,449,967.86/28,800.46
  6. Step 6: Final answer
    x = 24,320.79

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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.