Home / 21,677.53-32,509.80-11,283.61

Finding the Fourth Proportional to 21,677.53, 32,509.80 and 11,283.61

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Solution

The fourth proportional to 21,677.53, 32,509.80 and 11,283.61 is: 16,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.53 : 32,509.80 = 11,283.61 : x
  2. Step 2: Convert to fraction form
    21,677.53/32,509.80 = 11,283.61/x
  3. Step 3: Cross multiply
    21,677.53x = 32,509.80 × 11,283.61
  4. Step 4: Simplify right side
    21,677.53x = 366,827,904.38
  5. Step 5: Solve for x
    x = 366,827,904.38/21,677.53
  6. Step 6: Final answer
    x = 16,922.03

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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.