Home / 21,130.00-31,694.99-17,176.54

Finding the Fourth Proportional to 21,130.00, 31,694.99 and 17,176.54

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Solution

The fourth proportional to 21,130.00, 31,694.99 and 17,176.54 is: 25,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,130.00 : 31,694.99 = 17,176.54 : x
  2. Step 2: Convert to fraction form
    21,130.00/31,694.99 = 17,176.54/x
  3. Step 3: Cross multiply
    21,130.00x = 31,694.99 × 17,176.54
  4. Step 4: Simplify right side
    21,130.00x = 544,410,105.06
  5. Step 5: Solve for x
    x = 544,410,105.06/21,130.00
  6. Step 6: Final answer
    x = 25,764.80

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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.