Home / 26,450.68-39,705.20-15,369.88

Finding the Fourth Proportional to 26,450.68, 39,705.20 and 15,369.88

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Solution

The fourth proportional to 26,450.68, 39,705.20 and 15,369.88 is: 23,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.68 : 39,705.20 = 15,369.88 : x
  2. Step 2: Convert to fraction form
    26,450.68/39,705.20 = 15,369.88/x
  3. Step 3: Cross multiply
    26,450.68x = 39,705.20 × 15,369.88
  4. Step 4: Simplify right side
    26,450.68x = 610,264,159.38
  5. Step 5: Solve for x
    x = 610,264,159.38/26,450.68
  6. Step 6: Final answer
    x = 23,071.78

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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.