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Finding the Fourth Proportional to 26,716.44, 36,868.12 and 14,779.44

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Solution

The fourth proportional to 26,716.44, 36,868.12 and 14,779.44 is: 20,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,716.44 : 36,868.12 = 14,779.44 : x
  2. Step 2: Convert to fraction form
    26,716.44/36,868.12 = 14,779.44/x
  3. Step 3: Cross multiply
    26,716.44x = 36,868.12 × 14,779.44
  4. Step 4: Simplify right side
    26,716.44x = 544,890,167.45
  5. Step 5: Solve for x
    x = 544,890,167.45/26,716.44
  6. Step 6: Final answer
    x = 20,395.31

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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.