Home / 30,128.28-41,580.72-17,553.84

Finding the Fourth Proportional to 30,128.28, 41,580.72 and 17,553.84

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Solution

The fourth proportional to 30,128.28, 41,580.72 and 17,553.84 is: 24,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,128.28 : 41,580.72 = 17,553.84 : x
  2. Step 2: Convert to fraction form
    30,128.28/41,580.72 = 17,553.84/x
  3. Step 3: Cross multiply
    30,128.28x = 41,580.72 × 17,553.84
  4. Step 4: Simplify right side
    30,128.28x = 729,901,305.96
  5. Step 5: Solve for x
    x = 729,901,305.96/30,128.28
  6. Step 6: Final answer
    x = 24,226.45

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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.