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Finding the Fourth Proportional to 21,550.82, 32,328.48 and 5,968.45

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Solution

The fourth proportional to 21,550.82, 32,328.48 and 5,968.45 is: 8,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.82 : 32,328.48 = 5,968.45 : x
  2. Step 2: Convert to fraction form
    21,550.82/32,328.48 = 5,968.45/x
  3. Step 3: Cross multiply
    21,550.82x = 32,328.48 × 5,968.45
  4. Step 4: Simplify right side
    21,550.82x = 192,950,754.81
  5. Step 5: Solve for x
    x = 192,950,754.81/21,550.82
  6. Step 6: Final answer
    x = 8,953.29

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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.