Home / 26,451.12-39,616.74-21,895.68

Finding the Fourth Proportional to 26,451.12, 39,616.74 and 21,895.68

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Solution

The fourth proportional to 26,451.12, 39,616.74 and 21,895.68 is: 32,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.12 : 39,616.74 = 21,895.68 : x
  2. Step 2: Convert to fraction form
    26,451.12/39,616.74 = 21,895.68/x
  3. Step 3: Cross multiply
    26,451.12x = 39,616.74 × 21,895.68
  4. Step 4: Simplify right side
    26,451.12x = 867,435,461.68
  5. Step 5: Solve for x
    x = 867,435,461.68/26,451.12
  6. Step 6: Final answer
    x = 32,793.90

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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.