Home / 28,864.20-39,838.52-16,933.80

Finding the Fourth Proportional to 28,864.20, 39,838.52 and 16,933.80

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Solution

The fourth proportional to 28,864.20, 39,838.52 and 16,933.80 is: 23,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.20 : 39,838.52 = 16,933.80 : x
  2. Step 2: Convert to fraction form
    28,864.20/39,838.52 = 16,933.80/x
  3. Step 3: Cross multiply
    28,864.20x = 39,838.52 × 16,933.80
  4. Step 4: Simplify right side
    28,864.20x = 674,617,529.98
  5. Step 5: Solve for x
    x = 674,617,529.98/28,864.20
  6. Step 6: Final answer
    x = 23,372.12

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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.