Home / 26,828.82-37,028.49-15,498.74

Finding the Fourth Proportional to 26,828.82, 37,028.49 and 15,498.74

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Solution

The fourth proportional to 26,828.82, 37,028.49 and 15,498.74 is: 21,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.82 : 37,028.49 = 15,498.74 : x
  2. Step 2: Convert to fraction form
    26,828.82/37,028.49 = 15,498.74/x
  3. Step 3: Cross multiply
    26,828.82x = 37,028.49 × 15,498.74
  4. Step 4: Simplify right side
    26,828.82x = 573,895,060.73
  5. Step 5: Solve for x
    x = 573,895,060.73/26,828.82
  6. Step 6: Final answer
    x = 21,390.99

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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.