Home / 21,927.60-32,844.36-9,431.28

Finding the Fourth Proportional to 21,927.60, 32,844.36 and 9,431.28

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Solution

The fourth proportional to 21,927.60, 32,844.36 and 9,431.28 is: 14,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.60 : 32,844.36 = 9,431.28 : x
  2. Step 2: Convert to fraction form
    21,927.60/32,844.36 = 9,431.28/x
  3. Step 3: Cross multiply
    21,927.60x = 32,844.36 × 9,431.28
  4. Step 4: Simplify right side
    21,927.60x = 309,764,355.58
  5. Step 5: Solve for x
    x = 309,764,355.58/21,927.60
  6. Step 6: Final answer
    x = 14,126.69

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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.