Home / 27,485.88-37,930.48-14,910.64

Finding the Fourth Proportional to 27,485.88, 37,930.48 and 14,910.64

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Solution

The fourth proportional to 27,485.88, 37,930.48 and 14,910.64 is: 20,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.88 : 37,930.48 = 14,910.64 : x
  2. Step 2: Convert to fraction form
    27,485.88/37,930.48 = 14,910.64/x
  3. Step 3: Cross multiply
    27,485.88x = 37,930.48 × 14,910.64
  4. Step 4: Simplify right side
    27,485.88x = 565,567,732.31
  5. Step 5: Solve for x
    x = 565,567,732.31/27,485.88
  6. Step 6: Final answer
    x = 20,576.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.