Home / 21,736.28-32,602.32-6,942.57

Finding the Fourth Proportional to 21,736.28, 32,602.32 and 6,942.57

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Solution

The fourth proportional to 21,736.28, 32,602.32 and 6,942.57 is: 10,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736.28 : 32,602.32 = 6,942.57 : x
  2. Step 2: Convert to fraction form
    21,736.28/32,602.32 = 6,942.57/x
  3. Step 3: Cross multiply
    21,736.28x = 32,602.32 × 6,942.57
  4. Step 4: Simplify right side
    21,736.28x = 226,343,888.76
  5. Step 5: Solve for x
    x = 226,343,888.76/21,736.28
  6. Step 6: Final answer
    x = 10,413.19

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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.