Home / 25,932.30-35,787.03-15,321.91

Finding the Fourth Proportional to 25,932.30, 35,787.03 and 15,321.91

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Solution

The fourth proportional to 25,932.30, 35,787.03 and 15,321.91 is: 21,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,932.30 : 35,787.03 = 15,321.91 : x
  2. Step 2: Convert to fraction form
    25,932.30/35,787.03 = 15,321.91/x
  3. Step 3: Cross multiply
    25,932.30x = 35,787.03 × 15,321.91
  4. Step 4: Simplify right side
    25,932.30x = 548,325,652.83
  5. Step 5: Solve for x
    x = 548,325,652.83/25,932.30
  6. Step 6: Final answer
    x = 21,144.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.