Home / 27,546.80-38,011.48-15,607.60

Finding the Fourth Proportional to 27,546.80, 38,011.48 and 15,607.60

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Solution

The fourth proportional to 27,546.80, 38,011.48 and 15,607.60 is: 21,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,546.80 : 38,011.48 = 15,607.60 : x
  2. Step 2: Convert to fraction form
    27,546.80/38,011.48 = 15,607.60/x
  3. Step 3: Cross multiply
    27,546.80x = 38,011.48 × 15,607.60
  4. Step 4: Simplify right side
    27,546.80x = 593,267,975.25
  5. Step 5: Solve for x
    x = 593,267,975.25/27,546.80
  6. Step 6: Final answer
    x = 21,536.73

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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.