Home / 21,377.25-32,057.64-8,903.16

Finding the Fourth Proportional to 21,377.25, 32,057.64 and 8,903.16

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Solution

The fourth proportional to 21,377.25, 32,057.64 and 8,903.16 is: 13,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.25 : 32,057.64 = 8,903.16 : x
  2. Step 2: Convert to fraction form
    21,377.25/32,057.64 = 8,903.16/x
  3. Step 3: Cross multiply
    21,377.25x = 32,057.64 × 8,903.16
  4. Step 4: Simplify right side
    21,377.25x = 285,414,298.14
  5. Step 5: Solve for x
    x = 285,414,298.14/21,377.25
  6. Step 6: Final answer
    x = 13,351.31

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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.