Home / 21,564.25-32,346.38-5,981.88

Finding the Fourth Proportional to 21,564.25, 32,346.38 and 5,981.88

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Solution

The fourth proportional to 21,564.25, 32,346.38 and 5,981.88 is: 8,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.25 : 32,346.38 = 5,981.88 : x
  2. Step 2: Convert to fraction form
    21,564.25/32,346.38 = 5,981.88/x
  3. Step 3: Cross multiply
    21,564.25x = 32,346.38 × 5,981.88
  4. Step 4: Simplify right side
    21,564.25x = 193,492,163.59
  5. Step 5: Solve for x
    x = 193,492,163.59/21,564.25
  6. Step 6: Final answer
    x = 8,972.82

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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.