Home / 28,839.45-43,238.40-17,723.17

Finding the Fourth Proportional to 28,839.45, 43,238.40 and 17,723.17

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Solution

The fourth proportional to 28,839.45, 43,238.40 and 17,723.17 is: 26,571.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.45 : 43,238.40 = 17,723.17 : x
  2. Step 2: Convert to fraction form
    28,839.45/43,238.40 = 17,723.17/x
  3. Step 3: Cross multiply
    28,839.45x = 43,238.40 × 17,723.17
  4. Step 4: Simplify right side
    28,839.45x = 766,321,513.73
  5. Step 5: Solve for x
    x = 766,321,513.73/28,839.45
  6. Step 6: Final answer
    x = 26,571.99

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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.