Home / 27,209.20-37,551.20-15,877.84

Finding the Fourth Proportional to 27,209.20, 37,551.20 and 15,877.84

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Solution

The fourth proportional to 27,209.20, 37,551.20 and 15,877.84 is: 21,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.20 : 37,551.20 = 15,877.84 : x
  2. Step 2: Convert to fraction form
    27,209.20/37,551.20 = 15,877.84/x
  3. Step 3: Cross multiply
    27,209.20x = 37,551.20 × 15,877.84
  4. Step 4: Simplify right side
    27,209.20x = 596,231,945.41
  5. Step 5: Solve for x
    x = 596,231,945.41/27,209.20
  6. Step 6: Final answer
    x = 21,912.88

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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.