Home / 27,125.12-37,428.30-15,188.96

Finding the Fourth Proportional to 27,125.12, 37,428.30 and 15,188.96

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Solution

The fourth proportional to 27,125.12, 37,428.30 and 15,188.96 is: 20,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.12 : 37,428.30 = 15,188.96 : x
  2. Step 2: Convert to fraction form
    27,125.12/37,428.30 = 15,188.96/x
  3. Step 3: Cross multiply
    27,125.12x = 37,428.30 × 15,188.96
  4. Step 4: Simplify right side
    27,125.12x = 568,496,951.57
  5. Step 5: Solve for x
    x = 568,496,951.57/27,125.12
  6. Step 6: Final answer
    x = 20,958.32

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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.