Home / 27,787.59-38,344.41-16,455.03

Finding the Fourth Proportional to 27,787.59, 38,344.41 and 16,455.03

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Solution

The fourth proportional to 27,787.59, 38,344.41 and 16,455.03 is: 22,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.59 : 38,344.41 = 16,455.03 : x
  2. Step 2: Convert to fraction form
    27,787.59/38,344.41 = 16,455.03/x
  3. Step 3: Cross multiply
    27,787.59x = 38,344.41 × 16,455.03
  4. Step 4: Simplify right side
    27,787.59x = 630,958,416.88
  5. Step 5: Solve for x
    x = 630,958,416.88/27,787.59
  6. Step 6: Final answer
    x = 22,706.48

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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.