Home / 26,697.20-36,799.72-21,022.94

Finding the Fourth Proportional to 26,697.20, 36,799.72 and 21,022.94

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Solution

The fourth proportional to 26,697.20, 36,799.72 and 21,022.94 is: 28,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,697.20 : 36,799.72 = 21,022.94 : x
  2. Step 2: Convert to fraction form
    26,697.20/36,799.72 = 21,022.94/x
  3. Step 3: Cross multiply
    26,697.20x = 36,799.72 × 21,022.94
  4. Step 4: Simplify right side
    26,697.20x = 773,638,345.02
  5. Step 5: Solve for x
    x = 773,638,345.02/26,697.20
  6. Step 6: Final answer
    x = 28,978.26

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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.