Home / 27,573.46-38,051.40-15,636.85

Finding the Fourth Proportional to 27,573.46, 38,051.40 and 15,636.85

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Solution

The fourth proportional to 27,573.46, 38,051.40 and 15,636.85 is: 21,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,573.46 : 38,051.40 = 15,636.85 : x
  2. Step 2: Convert to fraction form
    27,573.46/38,051.40 = 15,636.85/x
  3. Step 3: Cross multiply
    27,573.46x = 38,051.40 × 15,636.85
  4. Step 4: Simplify right side
    27,573.46x = 595,004,034.09
  5. Step 5: Solve for x
    x = 595,004,034.09/27,573.46
  6. Step 6: Final answer
    x = 21,578.87

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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.