Home / 21,587.08-29,786.79-12,023.97

Finding the Fourth Proportional to 21,587.08, 29,786.79 and 12,023.97

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Solution

The fourth proportional to 21,587.08, 29,786.79 and 12,023.97 is: 16,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.08 : 29,786.79 = 12,023.97 : x
  2. Step 2: Convert to fraction form
    21,587.08/29,786.79 = 12,023.97/x
  3. Step 3: Cross multiply
    21,587.08x = 29,786.79 × 12,023.97
  4. Step 4: Simplify right side
    21,587.08x = 358,155,418.89
  5. Step 5: Solve for x
    x = 358,155,418.89/21,587.08
  6. Step 6: Final answer
    x = 16,591.19

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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.