Home / 26,690.31-36,832.43-15,362.03

Finding the Fourth Proportional to 26,690.31, 36,832.43 and 15,362.03

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Solution

The fourth proportional to 26,690.31, 36,832.43 and 15,362.03 is: 21,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.31 : 36,832.43 = 15,362.03 : x
  2. Step 2: Convert to fraction form
    26,690.31/36,832.43 = 15,362.03/x
  3. Step 3: Cross multiply
    26,690.31x = 36,832.43 × 15,362.03
  4. Step 4: Simplify right side
    26,690.31x = 565,820,748.88
  5. Step 5: Solve for x
    x = 565,820,748.88/26,690.31
  6. Step 6: Final answer
    x = 21,199.48

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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.