Home / 26,847.99-40,210.65-12,817.88

Finding the Fourth Proportional to 26,847.99, 40,210.65 and 12,817.88

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Solution

The fourth proportional to 26,847.99, 40,210.65 and 12,817.88 is: 19,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,847.99 : 40,210.65 = 12,817.88 : x
  2. Step 2: Convert to fraction form
    26,847.99/40,210.65 = 12,817.88/x
  3. Step 3: Cross multiply
    26,847.99x = 40,210.65 × 12,817.88
  4. Step 4: Simplify right side
    26,847.99x = 515,415,085.37
  5. Step 5: Solve for x
    x = 515,415,085.37/26,847.99
  6. Step 6: Final answer
    x = 19,197.53

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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.