Home / 36,788.48-50,767.28-20,872

Finding the Fourth Proportional to 36,788.48, 50,767.28 and 20,872

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Solution

The fourth proportional to 36,788.48, 50,767.28 and 20,872 is: 28,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,788.48 : 50,767.28 = 20,872 : x
  2. Step 2: Convert to fraction form
    36,788.48/50,767.28 = 20,872/x
  3. Step 3: Cross multiply
    36,788.48x = 50,767.28 × 20,872
  4. Step 4: Simplify right side
    36,788.48x = 1,059,614,668.16
  5. Step 5: Solve for x
    x = 1,059,614,668.16/36,788.48
  6. Step 6: Final answer
    x = 28,802.89

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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.