Home / 28,982.15-39,956.10-24,778.37

Finding the Fourth Proportional to 28,982.15, 39,956.10 and 24,778.37

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Solution

The fourth proportional to 28,982.15, 39,956.10 and 24,778.37 is: 34,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.15 : 39,956.10 = 24,778.37 : x
  2. Step 2: Convert to fraction form
    28,982.15/39,956.10 = 24,778.37/x
  3. Step 3: Cross multiply
    28,982.15x = 39,956.10 × 24,778.37
  4. Step 4: Simplify right side
    28,982.15x = 990,047,175.91
  5. Step 5: Solve for x
    x = 990,047,175.91/28,982.15
  6. Step 6: Final answer
    x = 34,160.58

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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.