Home / 27,515.80-41,268.90-9,976.60

Finding the Fourth Proportional to 27,515.80, 41,268.90 and 9,976.60

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Solution

The fourth proportional to 27,515.80, 41,268.90 and 9,976.60 is: 14,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.80 : 41,268.90 = 9,976.60 : x
  2. Step 2: Convert to fraction form
    27,515.80/41,268.90 = 9,976.60/x
  3. Step 3: Cross multiply
    27,515.80x = 41,268.90 × 9,976.60
  4. Step 4: Simplify right side
    27,515.80x = 411,723,307.74
  5. Step 5: Solve for x
    x = 411,723,307.74/27,515.80
  6. Step 6: Final answer
    x = 14,963.16

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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.