Home / 21,469.52-32,189.70-13,576.88

Finding the Fourth Proportional to 21,469.52, 32,189.70 and 13,576.88

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Solution

The fourth proportional to 21,469.52, 32,189.70 and 13,576.88 is: 20,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469.52 : 32,189.70 = 13,576.88 : x
  2. Step 2: Convert to fraction form
    21,469.52/32,189.70 = 13,576.88/x
  3. Step 3: Cross multiply
    21,469.52x = 32,189.70 × 13,576.88
  4. Step 4: Simplify right side
    21,469.52x = 437,035,694.14
  5. Step 5: Solve for x
    x = 437,035,694.14/21,469.52
  6. Step 6: Final answer
    x = 20,356.10

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1.5x scale

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.