Home / 26,345.57-36,349.52-15,731.33

Finding the Fourth Proportional to 26,345.57, 36,349.52 and 15,731.33

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Solution

The fourth proportional to 26,345.57, 36,349.52 and 15,731.33 is: 21,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,345.57 : 36,349.52 = 15,731.33 : x
  2. Step 2: Convert to fraction form
    26,345.57/36,349.52 = 15,731.33/x
  3. Step 3: Cross multiply
    26,345.57x = 36,349.52 × 15,731.33
  4. Step 4: Simplify right side
    26,345.57x = 571,826,034.06
  5. Step 5: Solve for x
    x = 571,826,034.06/26,345.57
  6. Step 6: Final answer
    x = 21,704.83

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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.