Home / 26,619.12-39,922.53-7,894.64

Finding the Fourth Proportional to 26,619.12, 39,922.53 and 7,894.64

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Solution

The fourth proportional to 26,619.12, 39,922.53 and 7,894.64 is: 11,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.12 : 39,922.53 = 7,894.64 : x
  2. Step 2: Convert to fraction form
    26,619.12/39,922.53 = 7,894.64/x
  3. Step 3: Cross multiply
    26,619.12x = 39,922.53 × 7,894.64
  4. Step 4: Simplify right side
    26,619.12x = 315,174,002.24
  5. Step 5: Solve for x
    x = 315,174,002.24/26,619.12
  6. Step 6: Final answer
    x = 11,840.14

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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.