Home / 23,619.16-35,472.48-18,720.28

Finding the Fourth Proportional to 23,619.16, 35,472.48 and 18,720.28

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Solution

The fourth proportional to 23,619.16, 35,472.48 and 18,720.28 is: 28,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,619.16 : 35,472.48 = 18,720.28 : x
  2. Step 2: Convert to fraction form
    23,619.16/35,472.48 = 18,720.28/x
  3. Step 3: Cross multiply
    23,619.16x = 35,472.48 × 18,720.28
  4. Step 4: Simplify right side
    23,619.16x = 664,054,757.89
  5. Step 5: Solve for x
    x = 664,054,757.89/23,619.16
  6. Step 6: Final answer
    x = 28,115.09

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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.