Home / 27,848.12-41,748.71-18,938.49

Finding the Fourth Proportional to 27,848.12, 41,748.71 and 18,938.49

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Solution

The fourth proportional to 27,848.12, 41,748.71 and 18,938.49 is: 28,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.12 : 41,748.71 = 18,938.49 : x
  2. Step 2: Convert to fraction form
    27,848.12/41,748.71 = 18,938.49/x
  3. Step 3: Cross multiply
    27,848.12x = 41,748.71 × 18,938.49
  4. Step 4: Simplify right side
    27,848.12x = 790,657,432.16
  5. Step 5: Solve for x
    x = 790,657,432.16/27,848.12
  6. Step 6: Final answer
    x = 28,391.78

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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.