Home / 21,984.39-32,983.88-14,617.85

Finding the Fourth Proportional to 21,984.39, 32,983.88 and 14,617.85

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Solution

The fourth proportional to 21,984.39, 32,983.88 and 14,617.85 is: 21,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.39 : 32,983.88 = 14,617.85 : x
  2. Step 2: Convert to fraction form
    21,984.39/32,983.88 = 14,617.85/x
  3. Step 3: Cross multiply
    21,984.39x = 32,983.88 × 14,617.85
  4. Step 4: Simplify right side
    21,984.39x = 482,153,172.25
  5. Step 5: Solve for x
    x = 482,153,172.25/21,984.39
  6. Step 6: Final answer
    x = 21,931.61

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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.