Home / 21,265.70-32,057.86-19,838.48

Finding the Fourth Proportional to 21,265.70, 32,057.86 and 19,838.48

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Solution

The fourth proportional to 21,265.70, 32,057.86 and 19,838.48 is: 29,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.70 : 32,057.86 = 19,838.48 : x
  2. Step 2: Convert to fraction form
    21,265.70/32,057.86 = 19,838.48/x
  3. Step 3: Cross multiply
    21,265.70x = 32,057.86 × 19,838.48
  4. Step 4: Simplify right side
    21,265.70x = 635,979,115.26
  5. Step 5: Solve for x
    x = 635,979,115.26/21,265.70
  6. Step 6: Final answer
    x = 29,906.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.