Home / 26,454.88-39,668.28-11,646.64

Finding the Fourth Proportional to 26,454.88, 39,668.28 and 11,646.64

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Solution

The fourth proportional to 26,454.88, 39,668.28 and 11,646.64 is: 17,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,454.88 : 39,668.28 = 11,646.64 : x
  2. Step 2: Convert to fraction form
    26,454.88/39,668.28 = 11,646.64/x
  3. Step 3: Cross multiply
    26,454.88x = 39,668.28 × 11,646.64
  4. Step 4: Simplify right side
    26,454.88x = 462,002,176.58
  5. Step 5: Solve for x
    x = 462,002,176.58/26,454.88
  6. Step 6: Final answer
    x = 17,463.78

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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.