Home / 28,714.53-39,616.59-17,379.73

Finding the Fourth Proportional to 28,714.53, 39,616.59 and 17,379.73

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Solution

The fourth proportional to 28,714.53, 39,616.59 and 17,379.73 is: 23,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.53 : 39,616.59 = 17,379.73 : x
  2. Step 2: Convert to fraction form
    28,714.53/39,616.59 = 17,379.73/x
  3. Step 3: Cross multiply
    28,714.53x = 39,616.59 × 17,379.73
  4. Step 4: Simplify right side
    28,714.53x = 688,525,752.42
  5. Step 5: Solve for x
    x = 688,525,752.42/28,714.53
  6. Step 6: Final answer
    x = 23,978.30

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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.