Home / 26,996.10-37,238.58-21,018.30

Finding the Fourth Proportional to 26,996.10, 37,238.58 and 21,018.30

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Solution

The fourth proportional to 26,996.10, 37,238.58 and 21,018.30 is: 28,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,996.10 : 37,238.58 = 21,018.30 : x
  2. Step 2: Convert to fraction form
    26,996.10/37,238.58 = 21,018.30/x
  3. Step 3: Cross multiply
    26,996.10x = 37,238.58 × 21,018.30
  4. Step 4: Simplify right side
    26,996.10x = 782,691,646.01
  5. Step 5: Solve for x
    x = 782,691,646.01/26,996.10
  6. Step 6: Final answer
    x = 28,992.77

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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.