Home / 21,829.96-32,717.54-9,335.28

Finding the Fourth Proportional to 21,829.96, 32,717.54 and 9,335.28

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Solution

The fourth proportional to 21,829.96, 32,717.54 and 9,335.28 is: 13,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829.96 : 32,717.54 = 9,335.28 : x
  2. Step 2: Convert to fraction form
    21,829.96/32,717.54 = 9,335.28/x
  3. Step 3: Cross multiply
    21,829.96x = 32,717.54 × 9,335.28
  4. Step 4: Simplify right side
    21,829.96x = 305,427,472.83
  5. Step 5: Solve for x
    x = 305,427,472.83/21,829.96
  6. Step 6: Final answer
    x = 13,991.21

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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.