Home / 26,981.07-40,489.79-9,451.05

Finding the Fourth Proportional to 26,981.07, 40,489.79 and 9,451.05

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Solution

The fourth proportional to 26,981.07, 40,489.79 and 9,451.05 is: 14,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.07 : 40,489.79 = 9,451.05 : x
  2. Step 2: Convert to fraction form
    26,981.07/40,489.79 = 9,451.05/x
  3. Step 3: Cross multiply
    26,981.07x = 40,489.79 × 9,451.05
  4. Step 4: Simplify right side
    26,981.07x = 382,670,982.52
  5. Step 5: Solve for x
    x = 382,670,982.52/26,981.07
  6. Step 6: Final answer
    x = 14,182.94

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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.