Home / 27,181.81-40,765.34-7,455.70

Finding the Fourth Proportional to 27,181.81, 40,765.34 and 7,455.70

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Solution

The fourth proportional to 27,181.81, 40,765.34 and 7,455.70 is: 11,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.81 : 40,765.34 = 7,455.70 : x
  2. Step 2: Convert to fraction form
    27,181.81/40,765.34 = 7,455.70/x
  3. Step 3: Cross multiply
    27,181.81x = 40,765.34 × 7,455.70
  4. Step 4: Simplify right side
    27,181.81x = 303,934,108.16
  5. Step 5: Solve for x
    x = 303,934,108.16/27,181.81
  6. Step 6: Final answer
    x = 11,181.53

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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.