Home / 27,287.53-40,917.45-13,958.48

Finding the Fourth Proportional to 27,287.53, 40,917.45 and 13,958.48

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Solution

The fourth proportional to 27,287.53, 40,917.45 and 13,958.48 is: 20,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.53 : 40,917.45 = 13,958.48 : x
  2. Step 2: Convert to fraction form
    27,287.53/40,917.45 = 13,958.48/x
  3. Step 3: Cross multiply
    27,287.53x = 40,917.45 × 13,958.48
  4. Step 4: Simplify right side
    27,287.53x = 571,145,407.48
  5. Step 5: Solve for x
    x = 571,145,407.48/27,287.53
  6. Step 6: Final answer
    x = 20,930.64

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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.