Home / 28,922.08-43,353.96-21,982

Finding the Fourth Proportional to 28,922.08, 43,353.96 and 21,982

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Solution

The fourth proportional to 28,922.08, 43,353.96 and 21,982 is: 32,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.08 : 43,353.96 = 21,982 : x
  2. Step 2: Convert to fraction form
    28,922.08/43,353.96 = 21,982/x
  3. Step 3: Cross multiply
    28,922.08x = 43,353.96 × 21,982
  4. Step 4: Simplify right side
    28,922.08x = 953,006,748.72
  5. Step 5: Solve for x
    x = 953,006,748.72/28,922.08
  6. Step 6: Final answer
    x = 32,950.84

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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.