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Finding the Fourth Proportional to 22,007.00, 32,994.10 and 13,239.87

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Solution

The fourth proportional to 22,007.00, 32,994.10 and 13,239.87 is: 19,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.00 : 32,994.10 = 13,239.87 : x
  2. Step 2: Convert to fraction form
    22,007.00/32,994.10 = 13,239.87/x
  3. Step 3: Cross multiply
    22,007.00x = 32,994.10 × 13,239.87
  4. Step 4: Simplify right side
    22,007.00x = 436,837,487.59
  5. Step 5: Solve for x
    x = 436,837,487.59/22,007.00
  6. Step 6: Final answer
    x = 19,849.93

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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.