Home / 21,330.72-32,023.80-16,403.85

Finding the Fourth Proportional to 21,330.72, 32,023.80 and 16,403.85

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Solution

The fourth proportional to 21,330.72, 32,023.80 and 16,403.85 is: 24,627.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330.72 : 32,023.80 = 16,403.85 : x
  2. Step 2: Convert to fraction form
    21,330.72/32,023.80 = 16,403.85/x
  3. Step 3: Cross multiply
    21,330.72x = 32,023.80 × 16,403.85
  4. Step 4: Simplify right side
    21,330.72x = 525,313,611.63
  5. Step 5: Solve for x
    x = 525,313,611.63/21,330.72
  6. Step 6: Final answer
    x = 24,627.09

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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.