Home / 27,850.07-41,753.43-18,942.10

Finding the Fourth Proportional to 27,850.07, 41,753.43 and 18,942.10

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Solution

The fourth proportional to 27,850.07, 41,753.43 and 18,942.10 is: 28,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.07 : 41,753.43 = 18,942.10 : x
  2. Step 2: Convert to fraction form
    27,850.07/41,753.43 = 18,942.10/x
  3. Step 3: Cross multiply
    27,850.07x = 41,753.43 × 18,942.10
  4. Step 4: Simplify right side
    27,850.07x = 790,897,437.64
  5. Step 5: Solve for x
    x = 790,897,437.64/27,850.07
  6. Step 6: Final answer
    x = 28,398.40

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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.