Home / 26,689.04-40,035.60-9,158.72

Finding the Fourth Proportional to 26,689.04, 40,035.60 and 9,158.72

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Solution

The fourth proportional to 26,689.04, 40,035.60 and 9,158.72 is: 13,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.04 : 40,035.60 = 9,158.72 : x
  2. Step 2: Convert to fraction form
    26,689.04/40,035.60 = 9,158.72/x
  3. Step 3: Cross multiply
    26,689.04x = 40,035.60 × 9,158.72
  4. Step 4: Simplify right side
    26,689.04x = 366,674,850.43
  5. Step 5: Solve for x
    x = 366,674,850.43/26,689.04
  6. Step 6: Final answer
    x = 13,738.78

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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.