Home / 21,660.62-32,488.43-5,864.70

Finding the Fourth Proportional to 21,660.62, 32,488.43 and 5,864.70

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Solution

The fourth proportional to 21,660.62, 32,488.43 and 5,864.70 is: 8,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660.62 : 32,488.43 = 5,864.70 : x
  2. Step 2: Convert to fraction form
    21,660.62/32,488.43 = 5,864.70/x
  3. Step 3: Cross multiply
    21,660.62x = 32,488.43 × 5,864.70
  4. Step 4: Simplify right side
    21,660.62x = 190,534,987.93
  5. Step 5: Solve for x
    x = 190,534,987.93/21,660.62
  6. Step 6: Final answer
    x = 8,796.38

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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.