Home / 26,630.24-39,938.44-7,905.87

Finding the Fourth Proportional to 26,630.24, 39,938.44 and 7,905.87

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Solution

The fourth proportional to 26,630.24, 39,938.44 and 7,905.87 is: 11,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,630.24 : 39,938.44 = 7,905.87 : x
  2. Step 2: Convert to fraction form
    26,630.24/39,938.44 = 7,905.87/x
  3. Step 3: Cross multiply
    26,630.24x = 39,938.44 × 7,905.87
  4. Step 4: Simplify right side
    26,630.24x = 315,748,094.88
  5. Step 5: Solve for x
    x = 315,748,094.88/26,630.24
  6. Step 6: Final answer
    x = 11,856.75

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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.