Home / 26,628.10-39,939.41-14,134.86

Finding the Fourth Proportional to 26,628.10, 39,939.41 and 14,134.86

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Solution

The fourth proportional to 26,628.10, 39,939.41 and 14,134.86 is: 21,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.10 : 39,939.41 = 14,134.86 : x
  2. Step 2: Convert to fraction form
    26,628.10/39,939.41 = 14,134.86/x
  3. Step 3: Cross multiply
    26,628.10x = 39,939.41 × 14,134.86
  4. Step 4: Simplify right side
    26,628.10x = 564,537,876.28
  5. Step 5: Solve for x
    x = 564,537,876.28/26,628.10
  6. Step 6: Final answer
    x = 21,200.84

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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.