Home / 26,648.20-39,972.30-12,824.20

Finding the Fourth Proportional to 26,648.20, 39,972.30 and 12,824.20

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Solution

The fourth proportional to 26,648.20, 39,972.30 and 12,824.20 is: 19,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.20 : 39,972.30 = 12,824.20 : x
  2. Step 2: Convert to fraction form
    26,648.20/39,972.30 = 12,824.20/x
  3. Step 3: Cross multiply
    26,648.20x = 39,972.30 × 12,824.20
  4. Step 4: Simplify right side
    26,648.20x = 512,612,769.66
  5. Step 5: Solve for x
    x = 512,612,769.66/26,648.20
  6. Step 6: Final answer
    x = 19,236.30

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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.