Home / 26,607.88-36,680.72-20,932.78

Finding the Fourth Proportional to 26,607.88, 36,680.72 and 20,932.78

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Solution

The fourth proportional to 26,607.88, 36,680.72 and 20,932.78 is: 28,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.88 : 36,680.72 = 20,932.78 : x
  2. Step 2: Convert to fraction form
    26,607.88/36,680.72 = 20,932.78/x
  3. Step 3: Cross multiply
    26,607.88x = 36,680.72 × 20,932.78
  4. Step 4: Simplify right side
    26,607.88x = 767,829,442.00
  5. Step 5: Solve for x
    x = 767,829,442.00/26,607.88
  6. Step 6: Final answer
    x = 28,857.22

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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.