Home / 21,557.21-32,348.73-9,076.43

Finding the Fourth Proportional to 21,557.21, 32,348.73 and 9,076.43

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Solution

The fourth proportional to 21,557.21, 32,348.73 and 9,076.43 is: 13,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557.21 : 32,348.73 = 9,076.43 : x
  2. Step 2: Convert to fraction form
    21,557.21/32,348.73 = 9,076.43/x
  3. Step 3: Cross multiply
    21,557.21x = 32,348.73 × 9,076.43
  4. Step 4: Simplify right side
    21,557.21x = 293,610,983.43
  5. Step 5: Solve for x
    x = 293,610,983.43/21,557.21
  6. Step 6: Final answer
    x = 13,620.08

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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.