Home / 27,209.30-37,551.40-15,877.88

Finding the Fourth Proportional to 27,209.30, 37,551.40 and 15,877.88

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Solution

The fourth proportional to 27,209.30, 37,551.40 and 15,877.88 is: 21,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.30 : 37,551.40 = 15,877.88 : x
  2. Step 2: Convert to fraction form
    27,209.30/37,551.40 = 15,877.88/x
  3. Step 3: Cross multiply
    27,209.30x = 37,551.40 × 15,877.88
  4. Step 4: Simplify right side
    27,209.30x = 596,236,395.58
  5. Step 5: Solve for x
    x = 596,236,395.58/27,209.30
  6. Step 6: Final answer
    x = 21,912.97

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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.