Home / 26,638.92-39,927.28-20,043.92

Finding the Fourth Proportional to 26,638.92, 39,927.28 and 20,043.92

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Solution

The fourth proportional to 26,638.92, 39,927.28 and 20,043.92 is: 30,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.92 : 39,927.28 = 20,043.92 : x
  2. Step 2: Convert to fraction form
    26,638.92/39,927.28 = 20,043.92/x
  3. Step 3: Cross multiply
    26,638.92x = 39,927.28 × 20,043.92
  4. Step 4: Simplify right side
    26,638.92x = 800,299,206.14
  5. Step 5: Solve for x
    x = 800,299,206.14/26,638.92
  6. Step 6: Final answer
    x = 30,042.48

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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.