Home / 21,721.12-32,598.96-8,576.80

Finding the Fourth Proportional to 21,721.12, 32,598.96 and 8,576.80

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Solution

The fourth proportional to 21,721.12, 32,598.96 and 8,576.80 is: 12,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,721.12 : 32,598.96 = 8,576.80 : x
  2. Step 2: Convert to fraction form
    21,721.12/32,598.96 = 8,576.80/x
  3. Step 3: Cross multiply
    21,721.12x = 32,598.96 × 8,576.80
  4. Step 4: Simplify right side
    21,721.12x = 279,594,760.13
  5. Step 5: Solve for x
    x = 279,594,760.13/21,721.12
  6. Step 6: Final answer
    x = 12,872.02

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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.