Home / 21,377.88-32,072.22-8,894.16

Finding the Fourth Proportional to 21,377.88, 32,072.22 and 8,894.16

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Solution

The fourth proportional to 21,377.88, 32,072.22 and 8,894.16 is: 13,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.88 : 32,072.22 = 8,894.16 : x
  2. Step 2: Convert to fraction form
    21,377.88/32,072.22 = 8,894.16/x
  3. Step 3: Cross multiply
    21,377.88x = 32,072.22 × 8,894.16
  4. Step 4: Simplify right side
    21,377.88x = 285,255,456.24
  5. Step 5: Solve for x
    x = 285,255,456.24/21,377.88
  6. Step 6: Final answer
    x = 13,343.49

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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.