Home / 21,370.88-32,042.46-8,899.52

Finding the Fourth Proportional to 21,370.88, 32,042.46 and 8,899.52

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Solution

The fourth proportional to 21,370.88, 32,042.46 and 8,899.52 is: 13,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.88 : 32,042.46 = 8,899.52 : x
  2. Step 2: Convert to fraction form
    21,370.88/32,042.46 = 8,899.52/x
  3. Step 3: Cross multiply
    21,370.88x = 32,042.46 × 8,899.52
  4. Step 4: Simplify right side
    21,370.88x = 285,162,513.62
  5. Step 5: Solve for x
    x = 285,162,513.62/21,370.88
  6. Step 6: Final answer
    x = 13,343.51

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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.