Home / 27,845.76-41,764.40-9,127.76

Finding the Fourth Proportional to 27,845.76, 41,764.40 and 9,127.76

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Solution

The fourth proportional to 27,845.76, 41,764.40 and 9,127.76 is: 13,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.76 : 41,764.40 = 9,127.76 : x
  2. Step 2: Convert to fraction form
    27,845.76/41,764.40 = 9,127.76/x
  3. Step 3: Cross multiply
    27,845.76x = 41,764.40 × 9,127.76
  4. Step 4: Simplify right side
    27,845.76x = 381,215,419.74
  5. Step 5: Solve for x
    x = 381,215,419.74/27,845.76
  6. Step 6: Final answer
    x = 13,690.25

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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.