Home / 18,454.72-27,630.24-15,305.44

Finding the Fourth Proportional to 18,454.72, 27,630.24 and 15,305.44

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Solution

The fourth proportional to 18,454.72, 27,630.24 and 15,305.44 is: 22,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.72 : 27,630.24 = 15,305.44 : x
  2. Step 2: Convert to fraction form
    18,454.72/27,630.24 = 15,305.44/x
  3. Step 3: Cross multiply
    18,454.72x = 27,630.24 × 15,305.44
  4. Step 4: Simplify right side
    18,454.72x = 422,892,980.51
  5. Step 5: Solve for x
    x = 422,892,980.51/18,454.72
  6. Step 6: Final answer
    x = 22,915.17

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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.