Home / 17,869.68-26,795.85-5,387.38

Finding the Fourth Proportional to 17,869.68, 26,795.85 and 5,387.38

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Solution

The fourth proportional to 17,869.68, 26,795.85 and 5,387.38 is: 8,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.68 : 26,795.85 = 5,387.38 : x
  2. Step 2: Convert to fraction form
    17,869.68/26,795.85 = 5,387.38/x
  3. Step 3: Cross multiply
    17,869.68x = 26,795.85 × 5,387.38
  4. Step 4: Simplify right side
    17,869.68x = 144,359,426.37
  5. Step 5: Solve for x
    x = 144,359,426.37/17,869.68
  6. Step 6: Final answer
    x = 8,078.46

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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.