Home / 19,625.78-27,093.60-13,285.89

Finding the Fourth Proportional to 19,625.78, 27,093.60 and 13,285.89

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Solution

The fourth proportional to 19,625.78, 27,093.60 and 13,285.89 is: 18,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.78 : 27,093.60 = 13,285.89 : x
  2. Step 2: Convert to fraction form
    19,625.78/27,093.60 = 13,285.89/x
  3. Step 3: Cross multiply
    19,625.78x = 27,093.60 × 13,285.89
  4. Step 4: Simplify right side
    19,625.78x = 359,962,589.30
  5. Step 5: Solve for x
    x = 359,962,589.30/19,625.78
  6. Step 6: Final answer
    x = 18,341.32

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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.