Home / 28,376.58-39,159.68-16,446.83

Finding the Fourth Proportional to 28,376.58, 39,159.68 and 16,446.83

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Solution

The fourth proportional to 28,376.58, 39,159.68 and 16,446.83 is: 22,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.58 : 39,159.68 = 16,446.83 : x
  2. Step 2: Convert to fraction form
    28,376.58/39,159.68 = 16,446.83/x
  3. Step 3: Cross multiply
    28,376.58x = 39,159.68 × 16,446.83
  4. Step 4: Simplify right side
    28,376.58x = 644,052,753.52
  5. Step 5: Solve for x
    x = 644,052,753.52/28,376.58
  6. Step 6: Final answer
    x = 22,696.63

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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.