Home / 26,791.86-36,968.13-15,458.70

Finding the Fourth Proportional to 26,791.86, 36,968.13 and 15,458.70

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Solution

The fourth proportional to 26,791.86, 36,968.13 and 15,458.70 is: 21,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.86 : 36,968.13 = 15,458.70 : x
  2. Step 2: Convert to fraction form
    26,791.86/36,968.13 = 15,458.70/x
  3. Step 3: Cross multiply
    26,791.86x = 36,968.13 × 15,458.70
  4. Step 4: Simplify right side
    26,791.86x = 571,479,231.23
  5. Step 5: Solve for x
    x = 571,479,231.23/26,791.86
  6. Step 6: Final answer
    x = 21,330.33

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1.5x scale

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.