Home / 25,861.77-38,801.16-21,232.62

Finding the Fourth Proportional to 25,861.77, 38,801.16 and 21,232.62

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Solution

The fourth proportional to 25,861.77, 38,801.16 and 21,232.62 is: 31,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.77 : 38,801.16 = 21,232.62 : x
  2. Step 2: Convert to fraction form
    25,861.77/38,801.16 = 21,232.62/x
  3. Step 3: Cross multiply
    25,861.77x = 38,801.16 × 21,232.62
  4. Step 4: Simplify right side
    25,861.77x = 823,850,285.84
  5. Step 5: Solve for x
    x = 823,850,285.84/25,861.77
  6. Step 6: Final answer
    x = 31,855.91

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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.