Home / 26,311.41-36,309.78-14,980.41

Finding the Fourth Proportional to 26,311.41, 36,309.78 and 14,980.41

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Solution

The fourth proportional to 26,311.41, 36,309.78 and 14,980.41 is: 20,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.41 : 36,309.78 = 14,980.41 : x
  2. Step 2: Convert to fraction form
    26,311.41/36,309.78 = 14,980.41/x
  3. Step 3: Cross multiply
    26,311.41x = 36,309.78 × 14,980.41
  4. Step 4: Simplify right side
    26,311.41x = 543,935,391.41
  5. Step 5: Solve for x
    x = 543,935,391.41/26,311.41
  6. Step 6: Final answer
    x = 20,672.99

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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.