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Finding the Fourth Proportional to 22,110.96, 30,472.50 and 20,708.08

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Solution

The fourth proportional to 22,110.96, 30,472.50 and 20,708.08 is: 28,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.96 : 30,472.50 = 20,708.08 : x
  2. Step 2: Convert to fraction form
    22,110.96/30,472.50 = 20,708.08/x
  3. Step 3: Cross multiply
    22,110.96x = 30,472.50 × 20,708.08
  4. Step 4: Simplify right side
    22,110.96x = 631,026,967.80
  5. Step 5: Solve for x
    x = 631,026,967.80/22,110.96
  6. Step 6: Final answer
    x = 28,539.10

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