Home / 27,555.65-38,027.24-15,618.73

Finding the Fourth Proportional to 27,555.65, 38,027.24 and 15,618.73

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Solution

The fourth proportional to 27,555.65, 38,027.24 and 15,618.73 is: 21,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.65 : 38,027.24 = 15,618.73 : x
  2. Step 2: Convert to fraction form
    27,555.65/38,027.24 = 15,618.73/x
  3. Step 3: Cross multiply
    27,555.65x = 38,027.24 × 15,618.73
  4. Step 4: Simplify right side
    27,555.65x = 593,936,925.98
  5. Step 5: Solve for x
    x = 593,936,925.98/27,555.65
  6. Step 6: Final answer
    x = 21,554.09

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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.