Home / 18,625.91-27,938.61-4,586.10

Finding the Fourth Proportional to 18,625.91, 27,938.61 and 4,586.10

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Solution

The fourth proportional to 18,625.91, 27,938.61 and 4,586.10 is: 6,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.91 : 27,938.61 = 4,586.10 : x
  2. Step 2: Convert to fraction form
    18,625.91/27,938.61 = 4,586.10/x
  3. Step 3: Cross multiply
    18,625.91x = 27,938.61 × 4,586.10
  4. Step 4: Simplify right side
    18,625.91x = 128,129,259.32
  5. Step 5: Solve for x
    x = 128,129,259.32/18,625.91
  6. Step 6: Final answer
    x = 6,879.09

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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.