Home / 27,180.88-40,771.36-7,459.68

Finding the Fourth Proportional to 27,180.88, 40,771.36 and 7,459.68

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Solution

The fourth proportional to 27,180.88, 40,771.36 and 7,459.68 is: 11,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.88 : 40,771.36 = 7,459.68 : x
  2. Step 2: Convert to fraction form
    27,180.88/40,771.36 = 7,459.68/x
  3. Step 3: Cross multiply
    27,180.88x = 40,771.36 × 7,459.68
  4. Step 4: Simplify right side
    27,180.88x = 304,141,298.76
  5. Step 5: Solve for x
    x = 304,141,298.76/27,180.88
  6. Step 6: Final answer
    x = 11,189.53

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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.