Home / 27,859.28-41,786.90-13,071.56

Finding the Fourth Proportional to 27,859.28, 41,786.90 and 13,071.56

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Solution

The fourth proportional to 27,859.28, 41,786.90 and 13,071.56 is: 19,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.28 : 41,786.90 = 13,071.56 : x
  2. Step 2: Convert to fraction form
    27,859.28/41,786.90 = 13,071.56/x
  3. Step 3: Cross multiply
    27,859.28x = 41,786.90 × 13,071.56
  4. Step 4: Simplify right side
    27,859.28x = 546,219,970.56
  5. Step 5: Solve for x
    x = 546,219,970.56/27,859.28
  6. Step 6: Final answer
    x = 19,606.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.