Home / 21,349.44-32,029.92-19,293.12

Finding the Fourth Proportional to 21,349.44, 32,029.92 and 19,293.12

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Solution

The fourth proportional to 21,349.44, 32,029.92 and 19,293.12 is: 28,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349.44 : 32,029.92 = 19,293.12 : x
  2. Step 2: Convert to fraction form
    21,349.44/32,029.92 = 19,293.12/x
  3. Step 3: Cross multiply
    21,349.44x = 32,029.92 × 19,293.12
  4. Step 4: Simplify right side
    21,349.44x = 617,957,090.15
  5. Step 5: Solve for x
    x = 617,957,090.15/21,349.44
  6. Step 6: Final answer
    x = 28,944.89

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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.