Home / 26,978.55-40,472.75-8,258.37

Finding the Fourth Proportional to 26,978.55, 40,472.75 and 8,258.37

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Solution

The fourth proportional to 26,978.55, 40,472.75 and 8,258.37 is: 12,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,978.55 : 40,472.75 = 8,258.37 : x
  2. Step 2: Convert to fraction form
    26,978.55/40,472.75 = 8,258.37/x
  3. Step 3: Cross multiply
    26,978.55x = 40,472.75 × 8,258.37
  4. Step 4: Simplify right side
    26,978.55x = 334,238,944.42
  5. Step 5: Solve for x
    x = 334,238,944.42/26,978.55
  6. Step 6: Final answer
    x = 12,389.06

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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.