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Finding the Fourth Proportional to 26,654.48, 36,783.48 and 14,717.80

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Solution

The fourth proportional to 26,654.48, 36,783.48 and 14,717.80 is: 20,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,654.48 : 36,783.48 = 14,717.80 : x
  2. Step 2: Convert to fraction form
    26,654.48/36,783.48 = 14,717.80/x
  3. Step 3: Cross multiply
    26,654.48x = 36,783.48 × 14,717.80
  4. Step 4: Simplify right side
    26,654.48x = 541,371,901.94
  5. Step 5: Solve for x
    x = 541,371,901.94/26,654.48
  6. Step 6: Final answer
    x = 20,310.73

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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.