Home / 27,777.60-41,679.66-12,984.37

Finding the Fourth Proportional to 27,777.60, 41,679.66 and 12,984.37

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Solution

The fourth proportional to 27,777.60, 41,679.66 and 12,984.37 is: 19,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.60 : 41,679.66 = 12,984.37 : x
  2. Step 2: Convert to fraction form
    27,777.60/41,679.66 = 12,984.37/x
  3. Step 3: Cross multiply
    27,777.60x = 41,679.66 × 12,984.37
  4. Step 4: Simplify right side
    27,777.60x = 541,184,071.41
  5. Step 5: Solve for x
    x = 541,184,071.41/27,777.60
  6. Step 6: Final answer
    x = 19,482.75

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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.