Home / 26,375.76-36,349.44-21,632.40

Finding the Fourth Proportional to 26,375.76, 36,349.44 and 21,632.40

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Solution

The fourth proportional to 26,375.76, 36,349.44 and 21,632.40 is: 29,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.76 : 36,349.44 = 21,632.40 : x
  2. Step 2: Convert to fraction form
    26,375.76/36,349.44 = 21,632.40/x
  3. Step 3: Cross multiply
    26,375.76x = 36,349.44 × 21,632.40
  4. Step 4: Simplify right side
    26,375.76x = 786,325,625.86
  5. Step 5: Solve for x
    x = 786,325,625.86/26,375.76
  6. Step 6: Final answer
    x = 29,812.43

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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.