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Finding the Fourth Proportional to 22,055.81, 33,089.29 and 9,572.81

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Solution

The fourth proportional to 22,055.81, 33,089.29 and 9,572.81 is: 14,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.81 : 33,089.29 = 9,572.81 : x
  2. Step 2: Convert to fraction form
    22,055.81/33,089.29 = 9,572.81/x
  3. Step 3: Cross multiply
    22,055.81x = 33,089.29 × 9,572.81
  4. Step 4: Simplify right side
    22,055.81x = 316,757,296.83
  5. Step 5: Solve for x
    x = 316,757,296.83/22,055.81
  6. Step 6: Final answer
    x = 14,361.63

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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.