Home / 15,642.72-23,464.32-3,956.04

Finding the Fourth Proportional to 15,642.72, 23,464.32 and 3,956.04

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Solution

The fourth proportional to 15,642.72, 23,464.32 and 3,956.04 is: 5,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.72 : 23,464.32 = 3,956.04 : x
  2. Step 2: Convert to fraction form
    15,642.72/23,464.32 = 3,956.04/x
  3. Step 3: Cross multiply
    15,642.72x = 23,464.32 × 3,956.04
  4. Step 4: Simplify right side
    15,642.72x = 92,825,788.49
  5. Step 5: Solve for x
    x = 92,825,788.49/15,642.72
  6. Step 6: Final answer
    x = 5,934.12

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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.