Home / 27,217.72-37,560.31-15,281.06

Finding the Fourth Proportional to 27,217.72, 37,560.31 and 15,281.06

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Solution

The fourth proportional to 27,217.72, 37,560.31 and 15,281.06 is: 21,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.72 : 37,560.31 = 15,281.06 : x
  2. Step 2: Convert to fraction form
    27,217.72/37,560.31 = 15,281.06/x
  3. Step 3: Cross multiply
    27,217.72x = 37,560.31 × 15,281.06
  4. Step 4: Simplify right side
    27,217.72x = 573,961,124.72
  5. Step 5: Solve for x
    x = 573,961,124.72/27,217.72
  6. Step 6: Final answer
    x = 21,087.77

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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.