Home / 18,569.48-27,855.89-5,242.62

Finding the Fourth Proportional to 18,569.48, 27,855.89 and 5,242.62

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Solution

The fourth proportional to 18,569.48, 27,855.89 and 5,242.62 is: 7,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.48 : 27,855.89 = 5,242.62 : x
  2. Step 2: Convert to fraction form
    18,569.48/27,855.89 = 5,242.62/x
  3. Step 3: Cross multiply
    18,569.48x = 27,855.89 × 5,242.62
  4. Step 4: Simplify right side
    18,569.48x = 146,037,846.03
  5. Step 5: Solve for x
    x = 146,037,846.03/18,569.48
  6. Step 6: Final answer
    x = 7,864.40

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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.