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Finding the Fourth Proportional to 26,487.31, 36,553.31 and 14,550.63

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Solution

The fourth proportional to 26,487.31, 36,553.31 and 14,550.63 is: 20,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.31 : 36,553.31 = 14,550.63 : x
  2. Step 2: Convert to fraction form
    26,487.31/36,553.31 = 14,550.63/x
  3. Step 3: Cross multiply
    26,487.31x = 36,553.31 × 14,550.63
  4. Step 4: Simplify right side
    26,487.31x = 531,873,689.09
  5. Step 5: Solve for x
    x = 531,873,689.09/26,487.31
  6. Step 6: Final answer
    x = 20,080.32

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Double scale
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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.