Home / 18,997.66-28,558.01-17,628.06

Finding the Fourth Proportional to 18,997.66, 28,558.01 and 17,628.06

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Solution

The fourth proportional to 18,997.66, 28,558.01 and 17,628.06 is: 26,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.66 : 28,558.01 = 17,628.06 : x
  2. Step 2: Convert to fraction form
    18,997.66/28,558.01 = 17,628.06/x
  3. Step 3: Cross multiply
    18,997.66x = 28,558.01 × 17,628.06
  4. Step 4: Simplify right side
    18,997.66x = 503,422,100.02
  5. Step 5: Solve for x
    x = 503,422,100.02/18,997.66
  6. Step 6: Final answer
    x = 26,499.16

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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.