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Finding the Fourth Proportional to 21,495.44, 32,238.33 and 9,029.54

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Solution

The fourth proportional to 21,495.44, 32,238.33 and 9,029.54 is: 13,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.44 : 32,238.33 = 9,029.54 : x
  2. Step 2: Convert to fraction form
    21,495.44/32,238.33 = 9,029.54/x
  3. Step 3: Cross multiply
    21,495.44x = 32,238.33 × 9,029.54
  4. Step 4: Simplify right side
    21,495.44x = 291,097,129.08
  5. Step 5: Solve for x
    x = 291,097,129.08/21,495.44
  6. Step 6: Final answer
    x = 13,542.28

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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.