Home / 21,714.76-30,173.44-21,627.28

Finding the Fourth Proportional to 21,714.76, 30,173.44 and 21,627.28

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Solution

The fourth proportional to 21,714.76, 30,173.44 and 21,627.28 is: 30,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.76 : 30,173.44 = 21,627.28 : x
  2. Step 2: Convert to fraction form
    21,714.76/30,173.44 = 21,627.28/x
  3. Step 3: Cross multiply
    21,714.76x = 30,173.44 × 21,627.28
  4. Step 4: Simplify right side
    21,714.76x = 652,569,435.44
  5. Step 5: Solve for x
    x = 652,569,435.44/21,714.76
  6. Step 6: Final answer
    x = 30,051.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.