Home / 21,384.20-32,076.36-5,801.84

Finding the Fourth Proportional to 21,384.20, 32,076.36 and 5,801.84

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Solution

The fourth proportional to 21,384.20, 32,076.36 and 5,801.84 is: 8,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384.20 : 32,076.36 = 5,801.84 : x
  2. Step 2: Convert to fraction form
    21,384.20/32,076.36 = 5,801.84/x
  3. Step 3: Cross multiply
    21,384.20x = 32,076.36 × 5,801.84
  4. Step 4: Simplify right side
    21,384.20x = 186,101,908.50
  5. Step 5: Solve for x
    x = 186,101,908.50/21,384.20
  6. Step 6: Final answer
    x = 8,702.78

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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.