Home / 27,619.72-38,137.70-22,516.04

Finding the Fourth Proportional to 27,619.72, 38,137.70 and 22,516.04

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Solution

The fourth proportional to 27,619.72, 38,137.70 and 22,516.04 is: 31,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.72 : 38,137.70 = 22,516.04 : x
  2. Step 2: Convert to fraction form
    27,619.72/38,137.70 = 22,516.04/x
  3. Step 3: Cross multiply
    27,619.72x = 38,137.70 × 22,516.04
  4. Step 4: Simplify right side
    27,619.72x = 858,709,978.71
  5. Step 5: Solve for x
    x = 858,709,978.71/27,619.72
  6. Step 6: Final answer
    x = 31,090.47

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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.