Home / 21,630.75-32,426.68-8,492.55

Finding the Fourth Proportional to 21,630.75, 32,426.68 and 8,492.55

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Solution

The fourth proportional to 21,630.75, 32,426.68 and 8,492.55 is: 12,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.75 : 32,426.68 = 8,492.55 : x
  2. Step 2: Convert to fraction form
    21,630.75/32,426.68 = 8,492.55/x
  3. Step 3: Cross multiply
    21,630.75x = 32,426.68 × 8,492.55
  4. Step 4: Simplify right side
    21,630.75x = 275,385,201.23
  5. Step 5: Solve for x
    x = 275,385,201.23/21,630.75
  6. Step 6: Final answer
    x = 12,731.19

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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.