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Finding the Fourth Proportional to 26,101.70, 36,019.83 and 14,770.99

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Solution

The fourth proportional to 26,101.70, 36,019.83 and 14,770.99 is: 20,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,101.70 : 36,019.83 = 14,770.99 : x
  2. Step 2: Convert to fraction form
    26,101.70/36,019.83 = 14,770.99/x
  3. Step 3: Cross multiply
    26,101.70x = 36,019.83 × 14,770.99
  4. Step 4: Simplify right side
    26,101.70x = 532,048,649.15
  5. Step 5: Solve for x
    x = 532,048,649.15/26,101.70
  6. Step 6: Final answer
    x = 20,383.68

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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.