Home / 28,457.36-39,249.60-17,126

Finding the Fourth Proportional to 28,457.36, 39,249.60 and 17,126

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Solution

The fourth proportional to 28,457.36, 39,249.60 and 17,126 is: 23,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457.36 : 39,249.60 = 17,126 : x
  2. Step 2: Convert to fraction form
    28,457.36/39,249.60 = 17,126/x
  3. Step 3: Cross multiply
    28,457.36x = 39,249.60 × 17,126
  4. Step 4: Simplify right side
    28,457.36x = 672,188,649.60
  5. Step 5: Solve for x
    x = 672,188,649.60/28,457.36
  6. Step 6: Final answer
    x = 23,620.91

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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.