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Finding the Fourth Proportional to 22,008.72, 33,012.72 and 5,368.77

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Solution

The fourth proportional to 22,008.72, 33,012.72 and 5,368.77 is: 8,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.72 : 33,012.72 = 5,368.77 : x
  2. Step 2: Convert to fraction form
    22,008.72/33,012.72 = 5,368.77/x
  3. Step 3: Cross multiply
    22,008.72x = 33,012.72 × 5,368.77
  4. Step 4: Simplify right side
    22,008.72x = 177,237,700.75
  5. Step 5: Solve for x
    x = 177,237,700.75/22,008.72
  6. Step 6: Final answer
    x = 8,053.07

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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.