Home / 26,337.80-36,356.10-15,723.56

Finding the Fourth Proportional to 26,337.80, 36,356.10 and 15,723.56

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Solution

The fourth proportional to 26,337.80, 36,356.10 and 15,723.56 is: 21,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,337.80 : 36,356.10 = 15,723.56 : x
  2. Step 2: Convert to fraction form
    26,337.80/36,356.10 = 15,723.56/x
  3. Step 3: Cross multiply
    26,337.80x = 36,356.10 × 15,723.56
  4. Step 4: Simplify right side
    26,337.80x = 571,647,319.72
  5. Step 5: Solve for x
    x = 571,647,319.72/26,337.80
  6. Step 6: Final answer
    x = 21,704.44

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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.