Home / 26,288.88-36,278.68-16,857.44

Finding the Fourth Proportional to 26,288.88, 36,278.68 and 16,857.44

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Solution

The fourth proportional to 26,288.88, 36,278.68 and 16,857.44 is: 23,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,288.88 : 36,278.68 = 16,857.44 : x
  2. Step 2: Convert to fraction form
    26,288.88/36,278.68 = 16,857.44/x
  3. Step 3: Cross multiply
    26,288.88x = 36,278.68 × 16,857.44
  4. Step 4: Simplify right side
    26,288.88x = 611,565,671.38
  5. Step 5: Solve for x
    x = 611,565,671.38/26,288.88
  6. Step 6: Final answer
    x = 23,263.28

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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.