Home / 26,475.20-39,712.80-16,107.20

Finding the Fourth Proportional to 26,475.20, 39,712.80 and 16,107.20

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Solution

The fourth proportional to 26,475.20, 39,712.80 and 16,107.20 is: 24,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,475.20 : 39,712.80 = 16,107.20 : x
  2. Step 2: Convert to fraction form
    26,475.20/39,712.80 = 16,107.20/x
  3. Step 3: Cross multiply
    26,475.20x = 39,712.80 × 16,107.20
  4. Step 4: Simplify right side
    26,475.20x = 639,662,012.16
  5. Step 5: Solve for x
    x = 639,662,012.16/26,475.20
  6. Step 6: Final answer
    x = 24,160.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.