Home / 21,682.08-32,472.56-18,383.52

Finding the Fourth Proportional to 21,682.08, 32,472.56 and 18,383.52

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Solution

The fourth proportional to 21,682.08, 32,472.56 and 18,383.52 is: 27,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.08 : 32,472.56 = 18,383.52 : x
  2. Step 2: Convert to fraction form
    21,682.08/32,472.56 = 18,383.52/x
  3. Step 3: Cross multiply
    21,682.08x = 32,472.56 × 18,383.52
  4. Step 4: Simplify right side
    21,682.08x = 596,959,956.21
  5. Step 5: Solve for x
    x = 596,959,956.21/21,682.08
  6. Step 6: Final answer
    x = 27,532.41

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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.