Home / 28,037.79-38,690.39-16,092.72

Finding the Fourth Proportional to 28,037.79, 38,690.39 and 16,092.72

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Solution

The fourth proportional to 28,037.79, 38,690.39 and 16,092.72 is: 22,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.79 : 38,690.39 = 16,092.72 : x
  2. Step 2: Convert to fraction form
    28,037.79/38,690.39 = 16,092.72/x
  3. Step 3: Cross multiply
    28,037.79x = 38,690.39 × 16,092.72
  4. Step 4: Simplify right side
    28,037.79x = 622,633,532.50
  5. Step 5: Solve for x
    x = 622,633,532.50/28,037.79
  6. Step 6: Final answer
    x = 22,206.94

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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.