Home / 27,355.52-37,714.05-20,520.48

Finding the Fourth Proportional to 27,355.52, 37,714.05 and 20,520.48

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Solution

The fourth proportional to 27,355.52, 37,714.05 and 20,520.48 is: 28,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.52 : 37,714.05 = 20,520.48 : x
  2. Step 2: Convert to fraction form
    27,355.52/37,714.05 = 20,520.48/x
  3. Step 3: Cross multiply
    27,355.52x = 37,714.05 × 20,520.48
  4. Step 4: Simplify right side
    27,355.52x = 773,910,408.74
  5. Step 5: Solve for x
    x = 773,910,408.74/27,355.52
  6. Step 6: Final answer
    x = 28,290.83

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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.