Home / 21,682.36-32,507.76-14,644.92

Finding the Fourth Proportional to 21,682.36, 32,507.76 and 14,644.92

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Solution

The fourth proportional to 21,682.36, 32,507.76 and 14,644.92 is: 21,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.36 : 32,507.76 = 14,644.92 : x
  2. Step 2: Convert to fraction form
    21,682.36/32,507.76 = 14,644.92/x
  3. Step 3: Cross multiply
    21,682.36x = 32,507.76 × 14,644.92
  4. Step 4: Simplify right side
    21,682.36x = 476,073,721.40
  5. Step 5: Solve for x
    x = 476,073,721.40/21,682.36
  6. Step 6: Final answer
    x = 21,956.73

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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.