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Finding the Fourth Proportional to 26,203, 36,159.60 and 14,266.56

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Solution

The fourth proportional to 26,203, 36,159.60 and 14,266.56 is: 19,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,203 : 36,159.60 = 14,266.56 : x
  2. Step 2: Convert to fraction form
    26,203/36,159.60 = 14,266.56/x
  3. Step 3: Cross multiply
    26,203x = 36,159.60 × 14,266.56
  4. Step 4: Simplify right side
    26,203x = 515,873,102.98
  5. Step 5: Solve for x
    x = 515,873,102.98/26,203
  6. Step 6: Final answer
    x = 19,687.56

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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.