Home / 27,091.31-37,388.82-15,606.62

Finding the Fourth Proportional to 27,091.31, 37,388.82 and 15,606.62

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Solution

The fourth proportional to 27,091.31, 37,388.82 and 15,606.62 is: 21,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.31 : 37,388.82 = 15,606.62 : x
  2. Step 2: Convert to fraction form
    27,091.31/37,388.82 = 15,606.62/x
  3. Step 3: Cross multiply
    27,091.31x = 37,388.82 × 15,606.62
  4. Step 4: Simplify right side
    27,091.31x = 583,513,105.99
  5. Step 5: Solve for x
    x = 583,513,105.99/27,091.31
  6. Step 6: Final answer
    x = 21,538.76

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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.