Home / 26,815.68-36,988.70-17,268.03

Finding the Fourth Proportional to 26,815.68, 36,988.70 and 17,268.03

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Solution

The fourth proportional to 26,815.68, 36,988.70 and 17,268.03 is: 23,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.68 : 36,988.70 = 17,268.03 : x
  2. Step 2: Convert to fraction form
    26,815.68/36,988.70 = 17,268.03/x
  3. Step 3: Cross multiply
    26,815.68x = 36,988.70 × 17,268.03
  4. Step 4: Simplify right side
    26,815.68x = 638,721,894.92
  5. Step 5: Solve for x
    x = 638,721,894.92/26,815.68
  6. Step 6: Final answer
    x = 23,818.97

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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.