Home / 23,489.67-32,415.51-12,879.28

Finding the Fourth Proportional to 23,489.67, 32,415.51 and 12,879.28

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Solution

The fourth proportional to 23,489.67, 32,415.51 and 12,879.28 is: 17,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.67 : 32,415.51 = 12,879.28 : x
  2. Step 2: Convert to fraction form
    23,489.67/32,415.51 = 12,879.28/x
  3. Step 3: Cross multiply
    23,489.67x = 32,415.51 × 12,879.28
  4. Step 4: Simplify right side
    23,489.67x = 417,488,348.59
  5. Step 5: Solve for x
    x = 417,488,348.59/23,489.67
  6. Step 6: Final answer
    x = 17,773.27

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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.