Home / 26,107.92-36,028.98-15,499.68

Finding the Fourth Proportional to 26,107.92, 36,028.98 and 15,499.68

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Solution

The fourth proportional to 26,107.92, 36,028.98 and 15,499.68 is: 21,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.92 : 36,028.98 = 15,499.68 : x
  2. Step 2: Convert to fraction form
    26,107.92/36,028.98 = 15,499.68/x
  3. Step 3: Cross multiply
    26,107.92x = 36,028.98 × 15,499.68
  4. Step 4: Simplify right side
    26,107.92x = 558,437,660.73
  5. Step 5: Solve for x
    x = 558,437,660.73/26,107.92
  6. Step 6: Final answer
    x = 21,389.59

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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.