Home / 27,257.67-40,800.84-18,774.39

Finding the Fourth Proportional to 27,257.67, 40,800.84 and 18,774.39

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Solution

The fourth proportional to 27,257.67, 40,800.84 and 18,774.39 is: 28,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.67 : 40,800.84 = 18,774.39 : x
  2. Step 2: Convert to fraction form
    27,257.67/40,800.84 = 18,774.39/x
  3. Step 3: Cross multiply
    27,257.67x = 40,800.84 × 18,774.39
  4. Step 4: Simplify right side
    27,257.67x = 766,010,882.49
  5. Step 5: Solve for x
    x = 766,010,882.49/27,257.67
  6. Step 6: Final answer
    x = 28,102.58

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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.