Home / 21,584.27-32,381.01-12,228.77

Finding the Fourth Proportional to 21,584.27, 32,381.01 and 12,228.77

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Solution

The fourth proportional to 21,584.27, 32,381.01 and 12,228.77 is: 18,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.27 : 32,381.01 = 12,228.77 : x
  2. Step 2: Convert to fraction form
    21,584.27/32,381.01 = 12,228.77/x
  3. Step 3: Cross multiply
    21,584.27x = 32,381.01 × 12,228.77
  4. Step 4: Simplify right side
    21,584.27x = 395,979,700.61
  5. Step 5: Solve for x
    x = 395,979,700.61/21,584.27
  6. Step 6: Final answer
    x = 18,345.76

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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.