Home / 22,448.72-33,721.68-13,688.84

Finding the Fourth Proportional to 22,448.72, 33,721.68 and 13,688.84

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Solution

The fourth proportional to 22,448.72, 33,721.68 and 13,688.84 is: 20,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.72 : 33,721.68 = 13,688.84 : x
  2. Step 2: Convert to fraction form
    22,448.72/33,721.68 = 13,688.84/x
  3. Step 3: Cross multiply
    22,448.72x = 33,721.68 × 13,688.84
  4. Step 4: Simplify right side
    22,448.72x = 461,610,682.05
  5. Step 5: Solve for x
    x = 461,610,682.05/22,448.72
  6. Step 6: Final answer
    x = 20,562.90

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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.