Home / 21,194.56-31,757.28-10,792

Finding the Fourth Proportional to 21,194.56, 31,757.28 and 10,792

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Solution

The fourth proportional to 21,194.56, 31,757.28 and 10,792 is: 16,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.56 : 31,757.28 = 10,792 : x
  2. Step 2: Convert to fraction form
    21,194.56/31,757.28 = 10,792/x
  3. Step 3: Cross multiply
    21,194.56x = 31,757.28 × 10,792
  4. Step 4: Simplify right side
    21,194.56x = 342,724,565.76
  5. Step 5: Solve for x
    x = 342,724,565.76/21,194.56
  6. Step 6: Final answer
    x = 16,170.40

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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.