Home / 26,928.60-40,332.76-19,516.04

Finding the Fourth Proportional to 26,928.60, 40,332.76 and 19,516.04

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Solution

The fourth proportional to 26,928.60, 40,332.76 and 19,516.04 is: 29,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.60 : 40,332.76 = 19,516.04 : x
  2. Step 2: Convert to fraction form
    26,928.60/40,332.76 = 19,516.04/x
  3. Step 3: Cross multiply
    26,928.60x = 40,332.76 × 19,516.04
  4. Step 4: Simplify right side
    26,928.60x = 787,135,757.47
  5. Step 5: Solve for x
    x = 787,135,757.47/26,928.60
  6. Step 6: Final answer
    x = 29,230.47

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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.