Home / 28,410.62-39,231.43-17,818.52

Finding the Fourth Proportional to 28,410.62, 39,231.43 and 17,818.52

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Solution

The fourth proportional to 28,410.62, 39,231.43 and 17,818.52 is: 24,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.62 : 39,231.43 = 17,818.52 : x
  2. Step 2: Convert to fraction form
    28,410.62/39,231.43 = 17,818.52/x
  3. Step 3: Cross multiply
    28,410.62x = 39,231.43 × 17,818.52
  4. Step 4: Simplify right side
    28,410.62x = 699,045,823.93
  5. Step 5: Solve for x
    x = 699,045,823.93/28,410.62
  6. Step 6: Final answer
    x = 24,605.09

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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.