Home / 26,675.28-40,021.56-12,822.48

Finding the Fourth Proportional to 26,675.28, 40,021.56 and 12,822.48

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Solution

The fourth proportional to 26,675.28, 40,021.56 and 12,822.48 is: 19,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,675.28 : 40,021.56 = 12,822.48 : x
  2. Step 2: Convert to fraction form
    26,675.28/40,021.56 = 12,822.48/x
  3. Step 3: Cross multiply
    26,675.28x = 40,021.56 × 12,822.48
  4. Step 4: Simplify right side
    26,675.28x = 513,175,652.67
  5. Step 5: Solve for x
    x = 513,175,652.67/26,675.28
  6. Step 6: Final answer
    x = 19,237.87

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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.