Home / 26,704.49-40,047.15-7,981.04

Finding the Fourth Proportional to 26,704.49, 40,047.15 and 7,981.04

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Solution

The fourth proportional to 26,704.49, 40,047.15 and 7,981.04 is: 11,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,704.49 : 40,047.15 = 7,981.04 : x
  2. Step 2: Convert to fraction form
    26,704.49/40,047.15 = 7,981.04/x
  3. Step 3: Cross multiply
    26,704.49x = 40,047.15 × 7,981.04
  4. Step 4: Simplify right side
    26,704.49x = 319,617,906.04
  5. Step 5: Solve for x
    x = 319,617,906.04/26,704.49
  6. Step 6: Final answer
    x = 11,968.70

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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.