Home / 20,153.23-27,738.05-17,747.45

Finding the Fourth Proportional to 20,153.23, 27,738.05 and 17,747.45

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Solution

The fourth proportional to 20,153.23, 27,738.05 and 17,747.45 is: 24,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.23 : 27,738.05 = 17,747.45 : x
  2. Step 2: Convert to fraction form
    20,153.23/27,738.05 = 17,747.45/x
  3. Step 3: Cross multiply
    20,153.23x = 27,738.05 × 17,747.45
  4. Step 4: Simplify right side
    20,153.23x = 492,279,532.06
  5. Step 5: Solve for x
    x = 492,279,532.06/20,153.23
  6. Step 6: Final answer
    x = 24,426.83

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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.