Home / 27,310.60-40,907.58-16,890.76

Finding the Fourth Proportional to 27,310.60, 40,907.58 and 16,890.76

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Solution

The fourth proportional to 27,310.60, 40,907.58 and 16,890.76 is: 25,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.60 : 40,907.58 = 16,890.76 : x
  2. Step 2: Convert to fraction form
    27,310.60/40,907.58 = 16,890.76/x
  3. Step 3: Cross multiply
    27,310.60x = 40,907.58 × 16,890.76
  4. Step 4: Simplify right side
    27,310.60x = 690,960,115.96
  5. Step 5: Solve for x
    x = 690,960,115.96/27,310.60
  6. Step 6: Final answer
    x = 25,300.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.