Home / 27,077.92-40,628.43-13,939.52

Finding the Fourth Proportional to 27,077.92, 40,628.43 and 13,939.52

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Solution

The fourth proportional to 27,077.92, 40,628.43 and 13,939.52 is: 20,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.92 : 40,628.43 = 13,939.52 : x
  2. Step 2: Convert to fraction form
    27,077.92/40,628.43 = 13,939.52/x
  3. Step 3: Cross multiply
    27,077.92x = 40,628.43 × 13,939.52
  4. Step 4: Simplify right side
    27,077.92x = 566,340,609.41
  5. Step 5: Solve for x
    x = 566,340,609.41/27,077.92
  6. Step 6: Final answer
    x = 20,915.22

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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.