Home / 21,590.64-32,388.84-7,548.57

Finding the Fourth Proportional to 21,590.64, 32,388.84 and 7,548.57

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Solution

The fourth proportional to 21,590.64, 32,388.84 and 7,548.57 is: 11,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.64 : 32,388.84 = 7,548.57 : x
  2. Step 2: Convert to fraction form
    21,590.64/32,388.84 = 7,548.57/x
  3. Step 3: Cross multiply
    21,590.64x = 32,388.84 × 7,548.57
  4. Step 4: Simplify right side
    21,590.64x = 244,489,425.96
  5. Step 5: Solve for x
    x = 244,489,425.96/21,590.64
  6. Step 6: Final answer
    x = 11,323.86

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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.