Home / 21,371.24-32,059.45-8,899.72

Finding the Fourth Proportional to 21,371.24, 32,059.45 and 8,899.72

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Solution

The fourth proportional to 21,371.24, 32,059.45 and 8,899.72 is: 13,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.24 : 32,059.45 = 8,899.72 : x
  2. Step 2: Convert to fraction form
    21,371.24/32,059.45 = 8,899.72/x
  3. Step 3: Cross multiply
    21,371.24x = 32,059.45 × 8,899.72
  4. Step 4: Simplify right side
    21,371.24x = 285,320,189.60
  5. Step 5: Solve for x
    x = 285,320,189.60/21,371.24
  6. Step 6: Final answer
    x = 13,350.66

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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.