Home / 21,625.34-32,438.28-8,483.90

Finding the Fourth Proportional to 21,625.34, 32,438.28 and 8,483.90

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Solution

The fourth proportional to 21,625.34, 32,438.28 and 8,483.90 is: 12,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.34 : 32,438.28 = 8,483.90 : x
  2. Step 2: Convert to fraction form
    21,625.34/32,438.28 = 8,483.90/x
  3. Step 3: Cross multiply
    21,625.34x = 32,438.28 × 8,483.90
  4. Step 4: Simplify right side
    21,625.34x = 275,203,123.69
  5. Step 5: Solve for x
    x = 275,203,123.69/21,625.34
  6. Step 6: Final answer
    x = 12,725.96

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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.