Home / 21,575.40-32,302.84-11,022.72

Finding the Fourth Proportional to 21,575.40, 32,302.84 and 11,022.72

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Solution

The fourth proportional to 21,575.40, 32,302.84 and 11,022.72 is: 16,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.40 : 32,302.84 = 11,022.72 : x
  2. Step 2: Convert to fraction form
    21,575.40/32,302.84 = 11,022.72/x
  3. Step 3: Cross multiply
    21,575.40x = 32,302.84 × 11,022.72
  4. Step 4: Simplify right side
    21,575.40x = 356,065,160.52
  5. Step 5: Solve for x
    x = 356,065,160.52/21,575.40
  6. Step 6: Final answer
    x = 16,503.29

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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.