Home / 21,715.02-32,591.03-8,576.69

Finding the Fourth Proportional to 21,715.02, 32,591.03 and 8,576.69

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Solution

The fourth proportional to 21,715.02, 32,591.03 and 8,576.69 is: 12,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.02 : 32,591.03 = 8,576.69 : x
  2. Step 2: Convert to fraction form
    21,715.02/32,591.03 = 8,576.69/x
  3. Step 3: Cross multiply
    21,715.02x = 32,591.03 × 8,576.69
  4. Step 4: Simplify right side
    21,715.02x = 279,522,955.25
  5. Step 5: Solve for x
    x = 279,522,955.25/21,715.02
  6. Step 6: Final answer
    x = 12,872.33

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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.