Home / 26,087.78-39,131.01-14,253.05

Finding the Fourth Proportional to 26,087.78, 39,131.01 and 14,253.05

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Solution

The fourth proportional to 26,087.78, 39,131.01 and 14,253.05 is: 21,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,087.78 : 39,131.01 = 14,253.05 : x
  2. Step 2: Convert to fraction form
    26,087.78/39,131.01 = 14,253.05/x
  3. Step 3: Cross multiply
    26,087.78x = 39,131.01 × 14,253.05
  4. Step 4: Simplify right side
    26,087.78x = 557,736,046.43
  5. Step 5: Solve for x
    x = 557,736,046.43/26,087.78
  6. Step 6: Final answer
    x = 21,379.21

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1.5x scale

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.