Home / 21,609.27-32,413.29-11,810.61

Finding the Fourth Proportional to 21,609.27, 32,413.29 and 11,810.61

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Solution

The fourth proportional to 21,609.27, 32,413.29 and 11,810.61 is: 17,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609.27 : 32,413.29 = 11,810.61 : x
  2. Step 2: Convert to fraction form
    21,609.27/32,413.29 = 11,810.61/x
  3. Step 3: Cross multiply
    21,609.27x = 32,413.29 × 11,810.61
  4. Step 4: Simplify right side
    21,609.27x = 382,820,727.01
  5. Step 5: Solve for x
    x = 382,820,727.01/21,609.27
  6. Step 6: Final answer
    x = 17,715.58

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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.