Home / 28,714.35-39,623.00-16,138.83

Finding the Fourth Proportional to 28,714.35, 39,623.00 and 16,138.83

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Solution

The fourth proportional to 28,714.35, 39,623.00 and 16,138.83 is: 22,270.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.35 : 39,623.00 = 16,138.83 : x
  2. Step 2: Convert to fraction form
    28,714.35/39,623.00 = 16,138.83/x
  3. Step 3: Cross multiply
    28,714.35x = 39,623.00 × 16,138.83
  4. Step 4: Simplify right side
    28,714.35x = 639,468,780.40
  5. Step 5: Solve for x
    x = 639,468,780.40/28,714.35
  6. Step 6: Final answer
    x = 22,270.01

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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.