Home / 27,358.52-41,039.61-8,639.32

Finding the Fourth Proportional to 27,358.52, 41,039.61 and 8,639.32

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Solution

The fourth proportional to 27,358.52, 41,039.61 and 8,639.32 is: 12,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.52 : 41,039.61 = 8,639.32 : x
  2. Step 2: Convert to fraction form
    27,358.52/41,039.61 = 8,639.32/x
  3. Step 3: Cross multiply
    27,358.52x = 41,039.61 × 8,639.32
  4. Step 4: Simplify right side
    27,358.52x = 354,554,280.27
  5. Step 5: Solve for x
    x = 354,554,280.27/27,358.52
  6. Step 6: Final answer
    x = 12,959.56

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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.