Home / 14,388.52-21,582.78-4,000.28

Finding the Fourth Proportional to 14,388.52, 21,582.78 and 4,000.28

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Solution

The fourth proportional to 14,388.52, 21,582.78 and 4,000.28 is: 6,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.52 : 21,582.78 = 4,000.28 : x
  2. Step 2: Convert to fraction form
    14,388.52/21,582.78 = 4,000.28/x
  3. Step 3: Cross multiply
    14,388.52x = 21,582.78 × 4,000.28
  4. Step 4: Simplify right side
    14,388.52x = 86,337,163.18
  5. Step 5: Solve for x
    x = 86,337,163.18/14,388.52
  6. Step 6: Final answer
    x = 6,000.42

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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.