Home / 26,821.28-40,229.55-12,026.22

Finding the Fourth Proportional to 26,821.28, 40,229.55 and 12,026.22

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Solution

The fourth proportional to 26,821.28, 40,229.55 and 12,026.22 is: 18,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.28 : 40,229.55 = 12,026.22 : x
  2. Step 2: Convert to fraction form
    26,821.28/40,229.55 = 12,026.22/x
  3. Step 3: Cross multiply
    26,821.28x = 40,229.55 × 12,026.22
  4. Step 4: Simplify right side
    26,821.28x = 483,809,418.80
  5. Step 5: Solve for x
    x = 483,809,418.80/26,821.28
  6. Step 6: Final answer
    x = 18,038.27

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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.