Home / 27,278.72-40,909.37-10,634.70

Finding the Fourth Proportional to 27,278.72, 40,909.37 and 10,634.70

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Solution

The fourth proportional to 27,278.72, 40,909.37 and 10,634.70 is: 15,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.72 : 40,909.37 = 10,634.70 : x
  2. Step 2: Convert to fraction form
    27,278.72/40,909.37 = 10,634.70/x
  3. Step 3: Cross multiply
    27,278.72x = 40,909.37 × 10,634.70
  4. Step 4: Simplify right side
    27,278.72x = 435,058,823.97
  5. Step 5: Solve for x
    x = 435,058,823.97/27,278.72
  6. Step 6: Final answer
    x = 15,948.66

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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.