Home / 27,939.84-38,550.21-17,727.14

Finding the Fourth Proportional to 27,939.84, 38,550.21 and 17,727.14

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Solution

The fourth proportional to 27,939.84, 38,550.21 and 17,727.14 is: 24,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.84 : 38,550.21 = 17,727.14 : x
  2. Step 2: Convert to fraction form
    27,939.84/38,550.21 = 17,727.14/x
  3. Step 3: Cross multiply
    27,939.84x = 38,550.21 × 17,727.14
  4. Step 4: Simplify right side
    27,939.84x = 683,385,185.77
  5. Step 5: Solve for x
    x = 683,385,185.77/27,939.84
  6. Step 6: Final answer
    x = 24,459.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.