Home / 27,628.12-38,127-15,052.96

Finding the Fourth Proportional to 27,628.12, 38,127 and 15,052.96

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Solution

The fourth proportional to 27,628.12, 38,127 and 15,052.96 is: 20,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.12 : 38,127 = 15,052.96 : x
  2. Step 2: Convert to fraction form
    27,628.12/38,127 = 15,052.96/x
  3. Step 3: Cross multiply
    27,628.12x = 38,127 × 15,052.96
  4. Step 4: Simplify right side
    27,628.12x = 573,924,205.92
  5. Step 5: Solve for x
    x = 573,924,205.92/27,628.12
  6. Step 6: Final answer
    x = 20,773.19

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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.