Home / 27,717.20-41,567.70-9,945.80

Finding the Fourth Proportional to 27,717.20, 41,567.70 and 9,945.80

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Solution

The fourth proportional to 27,717.20, 41,567.70 and 9,945.80 is: 14,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,717.20 : 41,567.70 = 9,945.80 : x
  2. Step 2: Convert to fraction form
    27,717.20/41,567.70 = 9,945.80/x
  3. Step 3: Cross multiply
    27,717.20x = 41,567.70 × 9,945.80
  4. Step 4: Simplify right side
    27,717.20x = 413,424,030.66
  5. Step 5: Solve for x
    x = 413,424,030.66/27,717.20
  6. Step 6: Final answer
    x = 14,915.79

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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.