Home / 17,981.28-26,902.80-10,960.02

Finding the Fourth Proportional to 17,981.28, 26,902.80 and 10,960.02

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Solution

The fourth proportional to 17,981.28, 26,902.80 and 10,960.02 is: 16,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.28 : 26,902.80 = 10,960.02 : x
  2. Step 2: Convert to fraction form
    17,981.28/26,902.80 = 10,960.02/x
  3. Step 3: Cross multiply
    17,981.28x = 26,902.80 × 10,960.02
  4. Step 4: Simplify right side
    17,981.28x = 294,855,226.06
  5. Step 5: Solve for x
    x = 294,855,226.06/17,981.28
  6. Step 6: Final answer
    x = 16,397.90

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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.