Home / 28,717.74-43,062.03-13,122

Finding the Fourth Proportional to 28,717.74, 43,062.03 and 13,122

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Solution

The fourth proportional to 28,717.74, 43,062.03 and 13,122 is: 19,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.74 : 43,062.03 = 13,122 : x
  2. Step 2: Convert to fraction form
    28,717.74/43,062.03 = 13,122/x
  3. Step 3: Cross multiply
    28,717.74x = 43,062.03 × 13,122
  4. Step 4: Simplify right side
    28,717.74x = 565,059,957.66
  5. Step 5: Solve for x
    x = 565,059,957.66/28,717.74
  6. Step 6: Final answer
    x = 19,676.34

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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.