Home / 26,739.18-40,082.34-12,674.52

Finding the Fourth Proportional to 26,739.18, 40,082.34 and 12,674.52

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Solution

The fourth proportional to 26,739.18, 40,082.34 and 12,674.52 is: 18,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.18 : 40,082.34 = 12,674.52 : x
  2. Step 2: Convert to fraction form
    26,739.18/40,082.34 = 12,674.52/x
  3. Step 3: Cross multiply
    26,739.18x = 40,082.34 × 12,674.52
  4. Step 4: Simplify right side
    26,739.18x = 508,024,419.98
  5. Step 5: Solve for x
    x = 508,024,419.98/26,739.18
  6. Step 6: Final answer
    x = 18,999.25

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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.