Home / 28,446.24-39,226.68-18,882.75

Finding the Fourth Proportional to 28,446.24, 39,226.68 and 18,882.75

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Solution

The fourth proportional to 28,446.24, 39,226.68 and 18,882.75 is: 26,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.24 : 39,226.68 = 18,882.75 : x
  2. Step 2: Convert to fraction form
    28,446.24/39,226.68 = 18,882.75/x
  3. Step 3: Cross multiply
    28,446.24x = 39,226.68 × 18,882.75
  4. Step 4: Simplify right side
    28,446.24x = 740,707,591.77
  5. Step 5: Solve for x
    x = 740,707,591.77/28,446.24
  6. Step 6: Final answer
    x = 26,038.86

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Double scale
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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.