Home / 27,078.13-40,617.20-7,359.60

Finding the Fourth Proportional to 27,078.13, 40,617.20 and 7,359.60

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Solution

The fourth proportional to 27,078.13, 40,617.20 and 7,359.60 is: 11,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.13 : 40,617.20 = 7,359.60 : x
  2. Step 2: Convert to fraction form
    27,078.13/40,617.20 = 7,359.60/x
  3. Step 3: Cross multiply
    27,078.13x = 40,617.20 × 7,359.60
  4. Step 4: Simplify right side
    27,078.13x = 298,926,345.12
  5. Step 5: Solve for x
    x = 298,926,345.12/27,078.13
  6. Step 6: Final answer
    x = 11,039.40

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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.