Home / 27,768.96-41,663.16-12,184.56

Finding the Fourth Proportional to 27,768.96, 41,663.16 and 12,184.56

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Solution

The fourth proportional to 27,768.96, 41,663.16 and 12,184.56 is: 18,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.96 : 41,663.16 = 12,184.56 : x
  2. Step 2: Convert to fraction form
    27,768.96/41,663.16 = 12,184.56/x
  3. Step 3: Cross multiply
    27,768.96x = 41,663.16 × 12,184.56
  4. Step 4: Simplify right side
    27,768.96x = 507,647,272.81
  5. Step 5: Solve for x
    x = 507,647,272.81/27,768.96
  6. Step 6: Final answer
    x = 18,281.10

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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.