Home / 26,272.78-36,242.94-17,775.28

Finding the Fourth Proportional to 26,272.78, 36,242.94 and 17,775.28

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Solution

The fourth proportional to 26,272.78, 36,242.94 and 17,775.28 is: 24,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,272.78 : 36,242.94 = 17,775.28 : x
  2. Step 2: Convert to fraction form
    26,272.78/36,242.94 = 17,775.28/x
  3. Step 3: Cross multiply
    26,272.78x = 36,242.94 × 17,775.28
  4. Step 4: Simplify right side
    26,272.78x = 644,228,406.52
  5. Step 5: Solve for x
    x = 644,228,406.52/26,272.78
  6. Step 6: Final answer
    x = 24,520.76

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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.