Home / 21,677.31-32,534.46-8,538.93

Finding the Fourth Proportional to 21,677.31, 32,534.46 and 8,538.93

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Solution

The fourth proportional to 21,677.31, 32,534.46 and 8,538.93 is: 12,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.31 : 32,534.46 = 8,538.93 : x
  2. Step 2: Convert to fraction form
    21,677.31/32,534.46 = 8,538.93/x
  3. Step 3: Cross multiply
    21,677.31x = 32,534.46 × 8,538.93
  4. Step 4: Simplify right side
    21,677.31x = 277,809,476.53
  5. Step 5: Solve for x
    x = 277,809,476.53/21,677.31
  6. Step 6: Final answer
    x = 12,815.68

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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.