Home / 27,221.11-37,558.98-15,283.64

Finding the Fourth Proportional to 27,221.11, 37,558.98 and 15,283.64

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Solution

The fourth proportional to 27,221.11, 37,558.98 and 15,283.64 is: 21,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.11 : 37,558.98 = 15,283.64 : x
  2. Step 2: Convert to fraction form
    27,221.11/37,558.98 = 15,283.64/x
  3. Step 3: Cross multiply
    27,221.11x = 37,558.98 × 15,283.64
  4. Step 4: Simplify right side
    27,221.11x = 574,038,022.98
  5. Step 5: Solve for x
    x = 574,038,022.98/27,221.11
  6. Step 6: Final answer
    x = 21,087.97

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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.