Home / 28,694.72-39,601.76-16,123.84

Finding the Fourth Proportional to 28,694.72, 39,601.76 and 16,123.84

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Solution

The fourth proportional to 28,694.72, 39,601.76 and 16,123.84 is: 22,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.72 : 39,601.76 = 16,123.84 : x
  2. Step 2: Convert to fraction form
    28,694.72/39,601.76 = 16,123.84/x
  3. Step 3: Cross multiply
    28,694.72x = 39,601.76 × 16,123.84
  4. Step 4: Simplify right side
    28,694.72x = 638,532,441.96
  5. Step 5: Solve for x
    x = 638,532,441.96/28,694.72
  6. Step 6: Final answer
    x = 22,252.61

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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.