Home / 26,678.03-40,042.16-13,539.83

Finding the Fourth Proportional to 26,678.03, 40,042.16 and 13,539.83

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Solution

The fourth proportional to 26,678.03, 40,042.16 and 13,539.83 is: 20,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.03 : 40,042.16 = 13,539.83 : x
  2. Step 2: Convert to fraction form
    26,678.03/40,042.16 = 13,539.83/x
  3. Step 3: Cross multiply
    26,678.03x = 40,042.16 × 13,539.83
  4. Step 4: Simplify right side
    26,678.03x = 542,164,039.23
  5. Step 5: Solve for x
    x = 542,164,039.23/26,678.03
  6. Step 6: Final answer
    x = 20,322.49

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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.