Home / 27,242.28-40,863.51-7,520.40

Finding the Fourth Proportional to 27,242.28, 40,863.51 and 7,520.40

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Solution

The fourth proportional to 27,242.28, 40,863.51 and 7,520.40 is: 11,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,242.28 : 40,863.51 = 7,520.40 : x
  2. Step 2: Convert to fraction form
    27,242.28/40,863.51 = 7,520.40/x
  3. Step 3: Cross multiply
    27,242.28x = 40,863.51 × 7,520.40
  4. Step 4: Simplify right side
    27,242.28x = 307,309,940.60
  5. Step 5: Solve for x
    x = 307,309,940.60/27,242.28
  6. Step 6: Final answer
    x = 11,280.62

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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.