Home / 28,792.80-39,733.76-16,217.52

Finding the Fourth Proportional to 28,792.80, 39,733.76 and 16,217.52

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Solution

The fourth proportional to 28,792.80, 39,733.76 and 16,217.52 is: 22,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.80 : 39,733.76 = 16,217.52 : x
  2. Step 2: Convert to fraction form
    28,792.80/39,733.76 = 16,217.52/x
  3. Step 3: Cross multiply
    28,792.80x = 39,733.76 × 16,217.52
  4. Step 4: Simplify right side
    28,792.80x = 644,383,047.48
  5. Step 5: Solve for x
    x = 644,383,047.48/28,792.80
  6. Step 6: Final answer
    x = 22,380.01

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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.