Home / 21,457.41-29,613.04-12,027.79

Finding the Fourth Proportional to 21,457.41, 29,613.04 and 12,027.79

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Solution

The fourth proportional to 21,457.41, 29,613.04 and 12,027.79 is: 16,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457.41 : 29,613.04 = 12,027.79 : x
  2. Step 2: Convert to fraction form
    21,457.41/29,613.04 = 12,027.79/x
  3. Step 3: Cross multiply
    21,457.41x = 29,613.04 × 12,027.79
  4. Step 4: Simplify right side
    21,457.41x = 356,179,500.98
  5. Step 5: Solve for x
    x = 356,179,500.98/21,457.41
  6. Step 6: Final answer
    x = 16,599.37

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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.