Home / 21,397.38-32,100.93-8,250.48

Finding the Fourth Proportional to 21,397.38, 32,100.93 and 8,250.48

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Solution

The fourth proportional to 21,397.38, 32,100.93 and 8,250.48 is: 12,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397.38 : 32,100.93 = 8,250.48 : x
  2. Step 2: Convert to fraction form
    21,397.38/32,100.93 = 8,250.48/x
  3. Step 3: Cross multiply
    21,397.38x = 32,100.93 × 8,250.48
  4. Step 4: Simplify right side
    21,397.38x = 264,848,080.95
  5. Step 5: Solve for x
    x = 264,848,080.95/21,397.38
  6. Step 6: Final answer
    x = 12,377.59

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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.