Home / 27,515.70-41,290.02-9,986.94

Finding the Fourth Proportional to 27,515.70, 41,290.02 and 9,986.94

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Solution

The fourth proportional to 27,515.70, 41,290.02 and 9,986.94 is: 14,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.70 : 41,290.02 = 9,986.94 : x
  2. Step 2: Convert to fraction form
    27,515.70/41,290.02 = 9,986.94/x
  3. Step 3: Cross multiply
    27,515.70x = 41,290.02 × 9,986.94
  4. Step 4: Simplify right side
    27,515.70x = 412,360,952.34
  5. Step 5: Solve for x
    x = 412,360,952.34/27,515.70
  6. Step 6: Final answer
    x = 14,986.39

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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.