Home / 19,822.64-27,355.62-10,869.62

Finding the Fourth Proportional to 19,822.64, 27,355.62 and 10,869.62

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Solution

The fourth proportional to 19,822.64, 27,355.62 and 10,869.62 is: 15,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.64 : 27,355.62 = 10,869.62 : x
  2. Step 2: Convert to fraction form
    19,822.64/27,355.62 = 10,869.62/x
  3. Step 3: Cross multiply
    19,822.64x = 27,355.62 × 10,869.62
  4. Step 4: Simplify right side
    19,822.64x = 297,345,057.49
  5. Step 5: Solve for x
    x = 297,345,057.49/19,822.64
  6. Step 6: Final answer
    x = 15,000.28

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Why These Related Problems?

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