Home / 21,273.01-29,397.21-15,958.60

Finding the Fourth Proportional to 21,273.01, 29,397.21 and 15,958.60

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Solution

The fourth proportional to 21,273.01, 29,397.21 and 15,958.60 is: 22,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.01 : 29,397.21 = 15,958.60 : x
  2. Step 2: Convert to fraction form
    21,273.01/29,397.21 = 15,958.60/x
  3. Step 3: Cross multiply
    21,273.01x = 29,397.21 × 15,958.60
  4. Step 4: Simplify right side
    21,273.01x = 469,138,168.52
  5. Step 5: Solve for x
    x = 469,138,168.52/21,273.01
  6. Step 6: Final answer
    x = 22,053.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.