Home / 21,467.28-32,192.00-8,312.07

Finding the Fourth Proportional to 21,467.28, 32,192.00 and 8,312.07

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Solution

The fourth proportional to 21,467.28, 32,192.00 and 8,312.07 is: 12,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.28 : 32,192.00 = 8,312.07 : x
  2. Step 2: Convert to fraction form
    21,467.28/32,192.00 = 8,312.07/x
  3. Step 3: Cross multiply
    21,467.28x = 32,192.00 × 8,312.07
  4. Step 4: Simplify right side
    21,467.28x = 267,582,115.88
  5. Step 5: Solve for x
    x = 267,582,115.88/21,467.28
  6. Step 6: Final answer
    x = 12,464.65

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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.