Home / 17,948.90-26,981.67-17,861.42

Finding the Fourth Proportional to 17,948.90, 26,981.67 and 17,861.42

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Solution

The fourth proportional to 17,948.90, 26,981.67 and 17,861.42 is: 26,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.90 : 26,981.67 = 17,861.42 : x
  2. Step 2: Convert to fraction form
    17,948.90/26,981.67 = 17,861.42/x
  3. Step 3: Cross multiply
    17,948.90x = 26,981.67 × 17,861.42
  4. Step 4: Simplify right side
    17,948.90x = 481,930,940.17
  5. Step 5: Solve for x
    x = 481,930,940.17/17,948.90
  6. Step 6: Final answer
    x = 26,850.17

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1.5x scale

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.