Home / 21,362.42-32,045.96-8,883.92

Finding the Fourth Proportional to 21,362.42, 32,045.96 and 8,883.92

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Solution

The fourth proportional to 21,362.42, 32,045.96 and 8,883.92 is: 13,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362.42 : 32,045.96 = 8,883.92 : x
  2. Step 2: Convert to fraction form
    21,362.42/32,045.96 = 8,883.92/x
  3. Step 3: Cross multiply
    21,362.42x = 32,045.96 × 8,883.92
  4. Step 4: Simplify right side
    21,362.42x = 284,693,606.94
  5. Step 5: Solve for x
    x = 284,693,606.94/21,362.42
  6. Step 6: Final answer
    x = 13,326.85

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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.