Home / 26,311.21-36,309.45-14,980.12

Finding the Fourth Proportional to 26,311.21, 36,309.45 and 14,980.12

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Solution

The fourth proportional to 26,311.21, 36,309.45 and 14,980.12 is: 20,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.21 : 36,309.45 = 14,980.12 : x
  2. Step 2: Convert to fraction form
    26,311.21/36,309.45 = 14,980.12/x
  3. Step 3: Cross multiply
    26,311.21x = 36,309.45 × 14,980.12
  4. Step 4: Simplify right side
    26,311.21x = 543,919,736.59
  5. Step 5: Solve for x
    x = 543,919,736.59/26,311.21
  6. Step 6: Final answer
    x = 20,672.55

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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.