Home / 21,854.20-32,781.48-6,272.32

Finding the Fourth Proportional to 21,854.20, 32,781.48 and 6,272.32

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Solution

The fourth proportional to 21,854.20, 32,781.48 and 6,272.32 is: 9,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854.20 : 32,781.48 = 6,272.32 : x
  2. Step 2: Convert to fraction form
    21,854.20/32,781.48 = 6,272.32/x
  3. Step 3: Cross multiply
    21,854.20x = 32,781.48 × 6,272.32
  4. Step 4: Simplify right side
    21,854.20x = 205,615,932.63
  5. Step 5: Solve for x
    x = 205,615,932.63/21,854.20
  6. Step 6: Final answer
    x = 9,408.53

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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.